Title: The Best Hotels Closest to Donegal Castle in Donegal - 2025 Updated Prices | Expedia.co.uk [Donegal Travel Guide](https://expedia.co.uk/Donegal.dx11245)[Holiday Rentals in Donegal](https://expedia.co.uk/Donegal-Holiday-Rentals.d11245.Travel-Guide-HolidayRentals)[Flights to Donegal](https://expedia.co.uk/Cheap-Flights-To-Donegal.d11245.Travel-Guide-Flights)[Things to do in Donegal](https://expedia.co.uk/Things-To-Do-In-Donegal.d11245.Travel-Guide-Activities)[Donegal Castle Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Donegal-Castle.d6183115.Car-Hire-Guide)[Donegal Castle Holidays](https://expedia.co.uk/Donegal-Castle-Donegal.d6183115.Attraction) ![Donegal castle, in the homonymous town and county, Ireland](https://images.trvl-media.com/place/6183115/0dc87bc4-cb5f-4554-b65c-8ff4a3783b78.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Search Hotels Near Donegal Castle, Donegal ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__price_find.svg) ### Change your mind Book hotels with free cancellation ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Treat yourself Save instantly and earn perks with One Key [Learn about One Key](https://www.expedia.co.uk/welcome-one-key) ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__bed.svg) ### Be picky Search almost a million properties worldwide ## Check prices for these dates Tonight [18 Oct - 19 Oct](https://www.expedia.co.uk/Hotel-Search?regionId=6183115&startDate=2025-10-18&endDate=2025-10-19&adults=2&rfrr=TG.LP.CheckPrices.Hotel&openPlayBack=true) Tomorrow [19 Oct - 20 Oct](https://www.expedia.co.uk/Hotel-Search?regionId=6183115&startDate=2025-10-19&endDate=2025-10-20&adults=2&rfrr=TG.LP.CheckPrices.Hotel&openPlayBack=true) Next weekend [24 Oct - 26 Oct](https://www.expedia.co.uk/Hotel-Search?regionId=6183115&startDate=2025-10-24&endDate=2025-10-26&adults=2&rfrr=TG.LP.CheckPrices.Hotel&openPlayBack=true) In two weeks [31 Oct - 2 Nov](https://www.expedia.co.uk/Hotel-Search?regionId=6183115&startDate=2025-10-31&endDate=2025-11-02&adults=2&rfrr=TG.LP.CheckPrices.Hotel&openPlayBack=true) Recommended Price (low to high) Distance Property class ## Top Trending Hotels Near Donegal Castle ![Front of property](https://images.trvl-media.com/lodging/105000000/104430000/104426700/104426642/2d17d9be.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Deluxe Suite, Sea View | 1 bedroom, pillow-top beds, in-room safe, blackout curtains](https://images.trvl-media.com/lodging/105000000/104430000/104426700/104426642/c51bfa8d.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Deluxe Suite, Sea View | 1 bedroom, pillow-top beds, in-room safe, blackout curtains](https://images.trvl-media.com/lodging/105000000/104430000/104426700/104426642/c8631ff9.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Deluxe Suite, Sea View | Terrace/patio](https://images.trvl-media.com/lodging/105000000/104430000/104426700/104426642/36410950.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ### The Cliffe at the Quay 0.3 mi from Donegal Castle 10/10 Exceptional (30) "Terrific location. Gorgeous place. Very comfortable. Short walk to Donegal Castle, Abbey Ruins, pubs and shopping. Wish we could have stayed longer!" ![United States](https://a.travel-assets.com/egds/marks/flags/us.svg) Shelby £129 includes taxes & fees 21 Oct - 22 Oct [](https://www.expedia.co.uk/Donegal-Hotels-The-Cliffe-At-The-Quay.h104426642.Hotel-Information) ![Lobby lounge](https://images.trvl-media.com/lodging/1000000/580000/571700/571660/4c1a0583.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Indoor pool](https://images.trvl-media.com/lodging/1000000/580000/571700/571660/6d9cbcef.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Deluxe Suite | 1 bedroom, premium bedding, desk, blackout curtains](https://images.trvl-media.com/lodging/1000000/580000/571700/571660/b4d2c218.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Exterior](https://images.trvl-media.com/lodging/1000000/580000/571700/571660/25efd464.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ### Mill Park Hotel 0.4 mi from Donegal Castle 9.4/10 Exceptional (1005) "Luxurious rooms Excellent breakfast " ![United Kingdom](https://a.travel-assets.com/egds/marks/flags/uk.svg) Anne Marie £131 includes taxes & fees 2 Nov - 3 Nov [](https://www.expedia.co.uk/Donegal-Hotels-Mill-Park-Hotel.h571660.Hotel-Information) ![Daily full breakfast (EUR 15 per person)](https://images.trvl-media.com/lodging/16000000/15720000/15716300/15716211/8caa3976.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Hair dryer, towels](https://images.trvl-media.com/lodging/16000000/15720000/15716300/15716211/4a7d43a1.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Garden](https://images.trvl-media.com/lodging/16000000/15720000/15716300/15716211/909c94e1.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Interior entrance](https://images.trvl-media.com/lodging/16000000/15720000/15716300/15716211/7dd30a02.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ### The Central Hotel Donegal 0.1 mi from Donegal Castle 8.6/10 Excellent (520) "Lovely place to stay " ![Australia](https://a.travel-assets.com/egds/marks/flags/au.svg) Peter £84 includes taxes & fees 9 Nov - 10 Nov [](https://www.expedia.co.uk/Donegal-Hotels-The-Central-Hotel-Donegal.h15716211.Hotel-Information) ![Exterior](https://images.trvl-media.com/lodging/16000000/15090000/15081200/15081175/47563ddf.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Free WiFi](https://images.trvl-media.com/lodging/16000000/15090000/15081200/15081175/78495a65.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Restaurant](https://images.trvl-media.com/lodging/16000000/15090000/15081200/15081175/52f6b935.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Interior](https://images.trvl-media.com/lodging/16000000/15090000/15081200/15081175/312a51bd.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ### Atlantic Guest House 0.1 mi from Donegal Castle 8.4/10 Very good (226) "Staff were very welcoming, although the building itself is clearly dated, the hallway and rooms were clean; delicious hot breakfast was made to order. " ![Canada](https://a.travel-assets.com/egds/marks/flags/ca.svg) Tracy £81 includes taxes & fees 19 Oct - 20 Oct [](https://www.expedia.co.uk/Donegal-Hotels-Atlantic-Guest-House.h15081175.Hotel-Information) ![Couples treatment room(s), sauna, hot tub, body treatments, aromatherapy](https://images.trvl-media.com/lodging/2000000/1870000/1868100/1868062/873e7d3f.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Fireplace](https://images.trvl-media.com/lodging/2000000/1870000/1868100/1868062/7dcfd591.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Garden Suite | Premium bedding, in-room safe, desk, blackout curtains](https://images.trvl-media.com/lodging/2000000/1870000/1868100/1868062/416e5262.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Lobby](https://images.trvl-media.com/lodging/2000000/1870000/1868100/1868062/33080794.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ### Lough Eske Castle 3 mi from Donegal Castle 9.4/10 Exceptional (773) "Loved Staff was amazing Food was delish!" ![United States](https://a.travel-assets.com/egds/marks/flags/us.svg) jo ann £209 includes taxes & fees 18 Nov - 19 Nov [](https://www.expedia.co.uk/Donegal-Hotels-Lough-Eske-Castle.h1868062.Hotel-Information) ![Breakfast area](https://images.trvl-media.com/lodging/2000000/1590000/1588400/1588315/270bb222.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Fireplace](https://images.trvl-media.com/lodging/2000000/1590000/1588400/1588315/6c24ad7d.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Reception](https://images.trvl-media.com/lodging/2000000/1590000/1588400/1588315/9825799e.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![1 bedroom, premium bedding, memory-foam beds, minibar](https://images.trvl-media.com/lodging/2000000/1590000/1588400/1588315/w3840h2557x0y3-f015fe5d.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ### Harvey's Point Hotel 3.7 mi from Donegal Castle 9.8/10 Exceptional (255) "Anazing trip away, a magical place" ![United Kingdom](https://a.travel-assets.com/egds/marks/flags/uk.svg) Fionnuala £188 includes taxes & fees 3 Nov - 4 Nov [](https://www.expedia.co.uk/Donegal-Hotels-Harveys-Point-Hotel.h1588315.Hotel-Information) ![Breakfast, lunch, dinner served; local cuisine ](https://images.trvl-media.com/lodging/18000000/17810000/17804300/17804264/6cdcc7a6.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Twin Room (Annex 2 -mins walk from the main hotel) | In-room safe, desk, iron/ironing board, free WiFi](https://images.trvl-media.com/lodging/18000000/17810000/17804300/17804264/1db3c5a0.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Property grounds](https://images.trvl-media.com/lodging/18000000/17810000/17804300/17804264/11984f7a.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Meeting facility](https://images.trvl-media.com/lodging/18000000/17810000/17804300/17804264/010bca32.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ### The Lodge at Harvey's Point 3.8 mi from Donegal Castle 9.6/10 Exceptional (114) "Really enjoyed our stay.lovely clean room, very friendly staff and good variety of food." ![United Kingdom](https://a.travel-assets.com/egds/marks/flags/uk.svg) Moira £120 includes taxes & fees 22 Oct - 23 Oct [](https://www.expedia.co.uk/Donegal-Hotels-The-Lodge-At-Harveys-Point.h17804264.Hotel-Information) ![Interior](https://images.trvl-media.com/lodging/115000000/114110000/114106700/114106612/b1caae63.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Beach](https://images.trvl-media.com/lodging/115000000/114110000/114106700/114106612/57e5ac41.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Living area](https://images.trvl-media.com/lodging/115000000/114110000/114106700/114106612/30a64e1b.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Property grounds](https://images.trvl-media.com/lodging/115000000/114110000/114106700/114106612/f61c61ed.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ### Coastal Hideaway 4.7 mi from Donegal Castle £279 includes taxes & fees 1 Nov - 2 Nov [](https://www.expedia.co.uk/Milltown-Hotels-Coastal-Hideaway.h114106612.Hotel-Information) ![Front of property](https://images.trvl-media.com/lodging/1000000/90000/83500/83426/79bc67fa.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Dining room](https://images.trvl-media.com/lodging/1000000/90000/83500/83426/ec6600aa.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Room (Double +Single Bedded 3 pax) | Individually decorated, desk, free WiFi](https://images.trvl-media.com/lodging/1000000/90000/83500/83426/74e2b2e6.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Lobby sitting area](https://images.trvl-media.com/lodging/1000000/90000/83500/83426/78bbae1a.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ### Sandhouse Hotel 8 mi from Donegal Castle 9.0/10 Wonderful (338) "Lovely view, great breakfast, friendly and helpful staff. We would definitely stay here again!" ![United States](https://a.travel-assets.com/egds/marks/flags/us.svg) Joan £174 includes taxes & fees 31 Oct - 1 Nov [](https://www.expedia.co.uk/Rossnowlagh-Hotels-Sandhouse-Hotel.h83426.Hotel-Information) ![Cabin | Balcony](https://images.trvl-media.com/lodging/43000000/42330000/42325400/42325378/c3ebaa46.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Cabin | Interior](https://images.trvl-media.com/lodging/43000000/42330000/42325400/42325378/23f54799.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Cabin | Private kitchen | Fridge, microwave, oven, stovetop](https://images.trvl-media.com/lodging/43000000/42330000/42325400/42325378/f79729a5.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ![Cabin | Private kitchen | Fridge, microwave, oven, stovetop](https://images.trvl-media.com/lodging/43000000/42330000/42325400/42325378/8cc54e3e.jpg?impolicy=fcrop&w=357&h=201&p=1&q=medium) ### Farm Stay Property Pets and Families Welcome 10.4 mi from Donegal Castle 7.8/10 Good (8) "Was exactly as described and hosts info on local scenary spot was perfect. " ![United States](https://a.travel-assets.com/egds/marks/flags/us.svg) rex £127 includes taxes & fees 20 Oct - 21 Oct [](https://www.expedia.co.uk/Ballyshannon-Hotels-Unique-Cottage-Mobile-Home.h42325378.Hotel-Information) Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply. [View all properties](https://expedia.co.uk/Hotel-Search?startDate=2025-11-01&endDate=2025-11-02®ionId=6183115&adults=2&sort=RECOMMENDED&openPlayBack=true) ![](https://a.travel-assets.com/pricing-claim/sparkle_dark.svg) Save an average of 15% on thousands of hotels when you're signed in [Sign in](https://expedia.co.uk/user/signin?ckoflag=0&uurl=e3id%3Dredr%26rurl%3D%2FDonegal-Castle-Hotels.0-l6183115-0.Travel-Guide-Filter-Hotels)[Sign up, it's free](https://expedia.co.uk/signup?enable_registration=true&+=&uurl=e3id%3Dredr%26rurl%3D%2FDonegal-Castle-Hotels.0-l6183115-0.Travel-Guide-Filter-Hotels) ## Top Donegal Castle Hotel Reviews ![The Lodge at Harvey's Point](//images.trvl-media.com/lodging/18000000/17810000/17804300/17804264/6cdcc7a6_y.jpg) ### The Lodge at Harvey's Point 10/10 Excellent "This is a great place to stay. The breakfast is outstanding." [](https://expedia.co.uk/Donegal-Hotels-The-Lodge-At-Harveys-Point.h17804264.Hotel-Information) ![Mill Park Hotel](//images.trvl-media.com/lodging/1000000/580000/571700/571660/4c1a0583_y.jpg) ### Mill Park Hotel 10/10 Excellent "Best customer service from every staff we encountered. From the moment we checked in til we checked out. Front desk, restaurant, bar, breakfast staff, " [](https://expedia.co.uk/Donegal-Hotels-Mill-Park-Hotel.h571660.Hotel-Information) ![The Central Hotel Donegal](//images.trvl-media.com/lodging/16000000/15720000/15716300/15716211/8caa3976_y.jpg) ### The Central Hotel Donegal 10/10 Excellent "Excellent time we all had " [](https://expedia.co.uk/Donegal-Hotels-The-Central-Hotel-Donegal.h15716211.Hotel-Information) ![Gateway Lodge Donegal](//images.trvl-media.com/lodging/12000000/11940000/11933600/11933518/2046ccf9_y.jpg) ### Gateway Lodge Donegal 10/10 Excellent "Lovely " [](https://expedia.co.uk/Donegal-Hotels-Gateway-Lodge-Donegal.h11933518.Hotel-Information) ![Atlantic Guest House](//images.trvl-media.com/lodging/16000000/15090000/15081200/15081175/47563ddf_y.jpg) ### Atlantic Guest House 10/10 Excellent "Staff were very welcoming, although the building itself is clearly dated, the hallway and rooms were clean; delicious hot breakfast was made to order. " [](https://expedia.co.uk/Donegal-Hotels-Atlantic-Guest-House.h15081175.Hotel-Information) ![Donegal House](//images.trvl-media.com/lodging/97000000/96850000/96841000/96840957/16667ceb_y.jpg) ### Donegal House 10/10 Excellent "Large room, comfy beds, clean and modern bathroom. " [](https://expedia.co.uk/Donegal-Hotels-Donegal-House.h96840957.Hotel-Information) ![Harvey's Point Hotel](//images.trvl-media.com/lodging/2000000/1590000/1588400/1588315/270bb222_y.jpg) ### Harvey's Point Hotel 10/10 Excellent "Anazing trip away, a magical place" [](https://expedia.co.uk/Donegal-Hotels-Harveys-Point-Hotel.h1588315.Hotel-Information) ![Lough Eske Castle](//images.trvl-media.com/lodging/2000000/1870000/1868100/1868062/873e7d3f_y.jpg) ### Lough Eske Castle 10/10 Excellent "Absolutely top knotch in every aspect. " [](https://expedia.co.uk/Donegal-Hotels-Lough-Eske-Castle.h1868062.Hotel-Information) ![The Abbey Hotel Donegal](//images.trvl-media.com/lodging/1000000/10000/1900/1884/6dfad338_y.jpg) ### The Abbey Hotel Donegal 10/10 Excellent "Parking was on street €2.00 for 4 hours, from 6:00pm until 9:00 am free" [](https://expedia.co.uk/Donegal-Hotels-The-Abbey-Hotel-Donegal.h1884.Hotel-Information) ## Hotels near other Donegal Castle attractions [](https://www.expedia.co.uk/Donegal-Bay-Waterbus-Hotels.0-l6183144-0.Travel-Guide-Filter-Hotels) ### Donegal Bay Waterbus 4.5/5 (15 reviews) Enjoy an outing to Donegal Bay Waterbus during your stay in Donegal. Visit the lively bars or top-notch restaurants in this relaxing area. [See properties](https://www.expedia.co.uk/Hotel-Search?rfrrid=TG.LP..PointOfInterests®ionId=6183144) [](https://www.expedia.co.uk/Killaghtee-Old-Church-Hotels.0-l553248621555818186-0.Travel-Guide-Filter-Hotels) ### Killaghtee Old Church Find out about the history of Donegal when you spend time at Killaghtee Old Church. Visit the top-notch restaurants or lively bars in this relaxing area. [See properties](https://www.expedia.co.uk/Hotel-Search?rfrrid=TG.LP..PointOfInterests®ionId=553248621555818186) [](https://www.expedia.co.uk/Diamond-Obelisk-Hotels.0-l553248621532988029-0.Travel-Guide-Filter-Hotels) ### Diamond Obelisk 4.0/5 (1 review) You can learn about the history of Donegal with a stop at Diamond Obelisk. Visit the top-notch restaurants or lively bars in this relaxing area. [See properties](https://www.expedia.co.uk/Hotel-Search?rfrrid=TG.LP..PointOfInterests®ionId=553248621532988029) [](https://www.expedia.co.uk/Daniel-ODonnell-Museum-Hotels.0-l553248621532489715-0.Travel-Guide-Filter-Hotels) ### Daniel O'Donnell Museum You can study the exhibits at Daniel O'Donnell Museum, a museum with a storied past, during your holiday in Donegal. Visit the lively bars or top-notch restaurants in this relaxing area. [See properties](https://www.expedia.co.uk/Hotel-Search?rfrrid=TG.LP..PointOfInterests®ionId=553248621532489715) [](https://www.expedia.co.uk/Donegal-Railway-Heritage-Centre-Hotels.0-l939780515020779520-0.Travel-Guide-Filter-Hotels) ### Donegal Railway Heritage Centre You can spend an afternoon exploring the galleries in Donegal Railway Heritage Centre in Donegal. Visit the top-notch restaurants or lively bars in this relaxing area. [See properties](https://www.expedia.co.uk/Hotel-Search?rfrrid=TG.LP..PointOfInterests®ionId=939780515020779520) [](https://www.expedia.co.uk/Abbey-Of-Donegal-Hotels.0-l553248621532489992-0.Travel-Guide-Filter-Hotels) ### Abbey of Donegal You can find out about the history of Donegal when you stop by Abbey of Donegal. While in this family-friendly area, you can savour the top-notch restaurants. [See properties](https://www.expedia.co.uk/Hotel-Search?rfrrid=TG.LP..PointOfInterests®ionId=553248621532489992) [](https://www.expedia.co.uk/Donegal-Golf-Club-Hotels.0-l6173978-0.Travel-Guide-Filter-Hotels) ### Donegal Golf Club Enjoy a round of golf in Laghy at Donegal Golf Club. Amble around this relaxing area's seaside and enjoy its lively bars. [See properties](https://www.expedia.co.uk/Hotel-Search?rfrrid=TG.LP..PointOfInterests®ionId=6173978) [](https://www.expedia.co.uk/Lough-Folla-Hotels.0-l886541222385246208-0.Travel-Guide-Filter-Hotels) ### Lough Folla Commune with nature and explore the great outdoors at Lough Folla during your travels in Laghy. You can enjoy the restaurants while in the area. [See properties](https://www.expedia.co.uk/Hotel-Search?rfrrid=TG.LP..PointOfInterests®ionId=886541222385246208) ## Frequently asked questions ### What's the area like around Donegal Castle? > Donegal Castle is located in a welcoming area of Donegal known for its array of dining options and bar scene. If you're looking for a convenient place to stay, take a look at the 22 hotels and other accommodation options you'll find within a mile. ### What's the best place to stay close to Donegal Castle? > Adjacent to Donegal Castle, [The Central Hotel Donegal](https://www.expedia.co.uk/Donegal-Hotels-The-Central-Hotel-Donegal.h15716211.Hotel-Information) is one of the top choices for your stay based on our traveller data, and this hotel offers 2 restaurants and an indoor pool. Other good options close by include [Mill Park Hotel](https://www.expedia.co.uk/Donegal-Hotels-Mill-Park-Hotel.h571660.Hotel-Information) and [The Abbey Hotel Donegal](https://www.expedia.co.uk/Donegal-Hotels-The-Abbey-Hotel-Donegal.h1884.Hotel-Information). ### How many hotels should I expect to find close to Donegal Castle? > Expedia has 22 hotels and other accommodation options within a mile from Donegal Castle. ### If I need to cancel the hotel reservation for my stay near Donegal Castle, will I receive a refund? > Yes, the majority of hotel bookings are refundable provided that you cancel before the hotel's cancellation deadline, which in most cases is within 24 or 48 hours of your check-in date. If you have a reservation that's non-refundable, you may still be able to cancel and be given a refund within a 24-hour period of booking. Enter dates in and click on "Search", then you can use the "fully refundable" filter to review the top deals on offer near Donegal Castle. ### What can I see and do near Donegal Castle? > Sights like Diamond Obelisk, Abbey of Donegal and Killaghtee Old Church are must-sees while exploring the area. Explore nature at Ardnamona Gardens and Lough Folla. Daniel O'Donnell Museum and Donegal Bay Waterbus are some sights worth a visit in the area.