Title: The Prospect Room - HSI Reviews, Deals & Photos 2026 - Expedia.co.uk [See all properties](http://www.expedia.co.uk/Hotel-Search?regionId=1561&destination=Idaho+Falls%2C+Idaho%2C+United+States+of+America&selected=39036421&adults=2&children=&sort=RECOMMENDED&useRewards=false&semdtl=&userIntent=&vip=false) # The Prospect Room - HSI History and relaxation blend perfectly in this tranquil hideaway featuring a garden spa oasis that invites guests to unwind completely ## Photo gallery for The Prospect Room - HSI ![Exterior - The Prospect Room - HSI (Idaho Falls)](https://images.trvl-media.com/lodging/40000000/39040000/39036500/39036421/3dc4444d.jpg?impolicy=resizecrop&rw=598&ra=fit) ![Free breakfast - The Prospect Room - HSI (Idaho Falls)](https://images.trvl-media.com/lodging/40000000/39040000/39036500/39036421/78652359.jpg?impolicy=resizecrop&rw=297&ra=fit) ![Dining - The Prospect Room - HSI (Idaho Falls)](https://images.trvl-media.com/lodging/40000000/39040000/39036500/39036421/28f938af.jpg?impolicy=resizecrop&rw=297&ra=fit) ![1 bedroom, WiFi, bed sheets - The Prospect Room - HSI (Idaho Falls)](https://images.trvl-media.com/lodging/40000000/39040000/39036500/39036421/d6b1c05f.jpg?impolicy=resizecrop&rw=297&ra=fit) ![1 bedroom, WiFi, bed sheets - The Prospect Room - HSI (Idaho Falls)](https://images.trvl-media.com/lodging/40000000/39040000/39036500/39036421/e114dae2.jpg?impolicy=resizecrop&rw=297&ra=fit) - Overview - Rooms - Location - Policies The Prospect Room - HSI offers a perfect blend of history and comfort. Guests enjoy a private room and bathroom with a jetted tub for relaxation. The secret tower adds intrigue, and the hot tub offers stunning views of the well-kept grounds. ## Reviews 10 Exceptional ## Popular amenities - Hot tub - Breakfast included - Air-conditioning - Parking available ## Room options ### Check availability for these dates Tonight [Mar 29 - Mar 30](https://www.expedia.co.uk/Hotel-Search?startDate=2026-03-29&endDate=2026-03-30&selected=39036421&PinnedHotelID=39036421&HadPinnedHotel=true®ionId=-1&adults=2) [](https://www.expedia.co.uk/Hotel-Search?startDate=2026-03-29&endDate=2026-03-30&selected=39036421&PinnedHotelID=39036421&HadPinnedHotel=true®ionId=-1&adults=2) Tomorrow [Mar 30 - Mar 31](https://www.expedia.co.uk/Hotel-Search?startDate=2026-03-30&endDate=2026-03-31&selected=39036421&PinnedHotelID=39036421&HadPinnedHotel=true®ionId=-1&adults=2) [](https://www.expedia.co.uk/Hotel-Search?startDate=2026-03-30&endDate=2026-03-31&selected=39036421&PinnedHotelID=39036421&HadPinnedHotel=true®ionId=-1&adults=2) This weekend [Apr 3 - Apr 5](https://www.expedia.co.uk/Hotel-Search?startDate=2026-04-03&endDate=2026-04-05&selected=39036421&PinnedHotelID=39036421&HadPinnedHotel=true®ionId=-1&adults=2) [](https://www.expedia.co.uk/Hotel-Search?startDate=2026-04-03&endDate=2026-04-05&selected=39036421&PinnedHotelID=39036421&HadPinnedHotel=true®ionId=-1&adults=2) Next weekend [Apr 10 - Apr 12](https://www.expedia.co.uk/Hotel-Search?startDate=2026-04-10&endDate=2026-04-12&selected=39036421&PinnedHotelID=39036421&HadPinnedHotel=true®ionId=-1&adults=2) [](https://www.expedia.co.uk/Hotel-Search?startDate=2026-04-10&endDate=2026-04-12&selected=39036421&PinnedHotelID=39036421&HadPinnedHotel=true®ionId=-1&adults=2) ![Mod logo](https://a.travel-assets.com/pricing-claim/sparkle_dark.svg) Sign in to view eligible discounts and perks. More rewards for more adventures! [Sign in](https://www.expedia.co.uk/login?ckoflag=0&uurl=e3id%3Dredr%26rurl%3D%2FIdaho-Falls-Hotels-The-Prospect-Room-HSI.h39036421.Hotel-Information)[Sign up, it's free](https://www.expedia.co.uk/signup?enable_registration=true&uurl=e3id%3Dredr%26rurl%3D%2FIdaho-Falls-Hotels-The-Prospect-Room-HSI.h39036421.Hotel-Information) ## About the area Idaho Falls is home to this castle. Jefferson Hills Golf Course and Kelly Canyon Ski Area are worth checking out if an activity is on the agenda, while those looking for area attractions can visit Jefferson County Fairgrouds and Blast Off. [Visit our Idaho Falls travel guide](https://www.expedia.co.uk/Idaho-Falls.dx1561) [View more Castles in Idaho Falls](https://www.expedia.co.uk/Idaho-Falls-Castles.d1561-aaCastles.Travel-Guide-Accommodation) ![Map](https://maps.googleapis.com/maps/api/staticmap?&size=660x330&map_id=3b266eb50d2997c6&zoom=13&markers=icon:https%3A%2F%2Fa.travel-assets.com%2Ftravel-assets-manager%2Feg-maps%2Fproperty.png%7C43.61851%2C-111.82368&channel=expedia-HotelInformation&maptype=roadmap&scale=1&key=AIzaSyCYjQus5kCufOpSj932jFoR_AJiL9yiwOw&signature=Brjo9MDI_GCIbp5hPa1a4bg16aU=) Idaho Falls, ID ### What's nearby - ![Yellowstone Bear World](https://images.trvl-media.com/place/6176117/b4714939-fb44-455b-b437-49a5cc40bf3b.jpg?impolicy=resizecrop&rw=115.61&rh=65.03&ra=fit&q=high) Yellowstone Bear World 17 min drive \- 14.0 miles - Rigby City Hall 13 min drive \- 9.9 miles - Heise Hot Springs 13 min drive \- 11.6 miles - Blast Off 15 min drive \- 15.4 miles - Grand Teton Mall 17 min drive \- 16.8 miles ### Getting around - Idaho Falls, ID (IDA-Idaho Falls Regional) 21 min drive ### Restaurants - The Great Bambino 17 min drive - Maverik 15 min drive - Maverik 6 min drive - Wendy's 17 min drive - Arctic Circle 15 min drive ## About this property ### The Prospect Room - HSI Property highlights Free breakfast, a garden and a hot tub are just a few of the amenities provided at The Prospect Room - HSI. Guests can connect to in-room WiFi. You'll also enjoy perks such as: - Books and smoke-free property Room features All guest rooms at The Prospect Room - HSI offer comforts, such as air conditioning, in addition to Extra amenities include: - Bathrooms with shampoo ## Similar properties ![Exterior](https://images.trvl-media.com/lodging/45000000/44040000/44033000/44032973/67f8d7bf.jpg?impolicy=fcrop&w=469&h=201&p=1&q=medium) ### Holiday Inn & Suites Idaho Falls by IHG Idaho Falls - Pool - Pet-friendly - Parking included - Free Wi-Fi 9.0 Wonderful 677 reviews £88 includes taxes & fees 4 Apr - 5 Apr [](https://www.expedia.co.uk/Hotel-Search?startDate=2026-04-04&endDate=2026-04-05&selected=44032973&PinnedHotelID=44032973&HadPinnedHotel=true®ionId=-1&adults=2) ![Exterior](https://images.trvl-media.com/lodging/3000000/2930000/2928100/2928012/090423fc.jpg?impolicy=fcrop&w=469&h=201&p=1&q=medium) ### Garner Hotel Idaho Falls Southwest by IHG Idaho Falls - Breakfast included - Pet-friendly - Parking included - Free Wi-Fi 9.2 Wonderful 1,003 reviews £66 includes taxes & fees 12 Apr - 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Pool - Hot tub - Breakfast included - Pet-friendly 6.2 756 reviews £54 includes taxes & fees 5 Apr - 6 Apr [](https://www.expedia.co.uk/Hotel-Search?startDate=2026-04-05&endDate=2026-04-06&selected=920021&PinnedHotelID=920021&HadPinnedHotel=true®ionId=-1&adults=2) ![Terrace/patio](https://images.trvl-media.com/lodging/37000000/36270000/36261800/36261744/ba4687ae.jpg?impolicy=fcrop&w=469&h=201&p=1&q=medium) ### Tru by Hilton Idaho Falls Idaho Falls - Pool - Breakfast included - Free airport shuttle - Pet-friendly 9.0 Wonderful 1,004 reviews £69 includes taxes & fees 5 Apr - 6 Apr [](https://www.expedia.co.uk/Hotel-Search?startDate=2026-04-05&endDate=2026-04-06&selected=36261744&PinnedHotelID=36261744&HadPinnedHotel=true®ionId=-1&adults=2) ![Indoor pool](https://images.trvl-media.com/lodging/19000000/18120000/18113400/18113385/ae45e700.jpg?impolicy=fcrop&w=469&h=201&p=1&q=medium) ### SpringHill Suites by Marriott Idaho Falls Idaho Falls - Pool - Hot tub - Breakfast included - Parking included 9.4 Exceptional 1,004 reviews £110 includes taxes & fees 12 Apr - 13 Apr [](https://www.expedia.co.uk/Hotel-Search?startDate=2026-04-12&endDate=2026-04-13&selected=18113385&PinnedHotelID=18113385&HadPinnedHotel=true®ionId=-1&adults=2) ![Exterior](https://images.trvl-media.com/lodging/1000000/40000/34500/34435/89f20b84.jpg?impolicy=fcrop&w=469&h=201&p=1&q=medium) ### Country Inn & Suites by Radisson, Idaho Falls at the Mall Idaho Falls - Pool - Hot tub - Breakfast included - Pet-friendly 9.0 Wonderful 1,003 reviews £81 includes taxes & fees 19 Apr - 20 Apr [](https://www.expedia.co.uk/Hotel-Search?startDate=2026-04-19&endDate=2026-04-20&selected=34435&PinnedHotelID=34435&HadPinnedHotel=true®ionId=-1&adults=2) [Compare similar properties](/Hotel-Search?startDate=2026-04-12&endDate=2026-04-13&selected=39036421&PinnedHotelID=39036421&HadPinnedHotel=true®ionId=-1&adults=2&comparePropertyIds=39036421,44032973,2928012,562685,11294) ## Property amenities ### Internet - Available in all rooms: WiFi - Available in some public areas: Internet access ### Food and drink - Free breakfast available ### Things to do - Books - Hot tub ### Outdoors - Garden ### More - Smoke-free property ## Room amenities ### Bedroom - Bedsheets provided ### Bathroom - Shampoo - Soap - Toilet paper - Towels provided ### More - Air conditioning - Heating ## Policies ### Check-in Check-in time starts at 4:00 PM ### Check-out Check-out before 11:00 AM ### Special check-in instructions You will receive an email from the host with check-in and check-out instructions Information provided by the property may be translated using automated translation tools ### Pets Pets not allowed ### Children and extra beds This property does not allow children ### Events No events allowed ### Smoking Smoking is not permitted ## Important information ### You need to know This property is managed by a private host (a party not acting within their trade, business or profession). EU consumer law, including the right of withdrawal, will not apply to your booking. The cancellation policy set by the private host will cover your booking. Extra-person charges may apply and vary depending on property policy Government-issued photo identification and a credit card, debit card or cash deposit may be required at check-in for incidental charges Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed On-site parties or group events are strictly prohibited This property is managed through our partner, Vrbo. You will receive an email from Vrbo with a link to a Vrbo account, where you can change or cancel your reservation ### We should mention A car is required for transport to and from this property ### Property is also known as The Prospect Room HSI The Prospect Room - Hsi Castle The Prospect Room - HSI Castle The Prospect Room - HSI Idaho Falls The Prospect Room - HSI Castle Idaho Falls ## Frequently asked questions ### Is The Prospect Room - HSI pet-friendly? ### How much is parking at The Prospect Room - HSI? ### What time is check-in at The Prospect Room - HSI? ### What time is check-out at The Prospect Room - HSI? ### Where is The Prospect Room - HSI located? ## Have a question? Beta Get instant answers with AI powered search of property information and reviews. Ask a question ## Reviews ## The Prospect Room - HSI Reviews 10 ### Exceptional All reviews shown are from real guest experiences. Only travellers who have booked a stay with us can submit a review. We verify reviews according to our guidelines and publish all reviews, positive or negative.[More information](https://www.expedia.co.uk/lp/b/content-guidelines) ### 10 Cleanliness ### 10 Location ### 10 Staff & service ### 10 Property conditions & facilities 10 - Excellent 2 8 - Good 0 6 - Okay 0 4 - Poor 0 2 - Terrible 0 ## Reviews Verified ### 10/10 Excellent #### Martin 14 Sept 2019 Liked: Cleanliness, staff & service, amenities, property conditions & facilities Very unique place to stay, the attention to detail is incredible! Beds were the most comfortable! Will stay here again! ##### Martin Stayed 1 night in Sep 2019 Verified ### 10/10 Excellent #### Kami D. 12 Aug 2019 Liked: Cleanliness, check-in, communication, location, listing accuracy #### Great Weekend Getaway Spot Nice, quiet site. Hosts have taken care to make every detail of the experience count. Would stay again. ##### Kami D. ---