The best time to visit Hidden Valley is during the spring (September to November) and autumn (March to May) months, when the weather is most pleasant for outdoor activities.During spring, the region experiences mild temperatures, typically ranging from 15°C to 25°C. This period is ideal for exploring the natural beauty of the area, as the local flora is in full bloom. It's a great time for couples to enjoy scenic drives through the countryside or leisurely walks along the riverbanks without the intensity of summer heat.Autumn also offers comfortable temperatures, generally between 12°C and 20°C, often accompanied by clear, sunny days. The changing colours of the leaves provide a stunning backdrop, great for those who appreciate photography or simply want to relax in a picturesque setting. For families, this season allows for comfortable visits to local farms and wildlife parks, as the cooler weather makes outdoor excursions more enjoyable for young children.While summer (December to February) can be quite warm, with temperatures often exceeding 30°C, it's a popular time for water-based activities like swimming in the local swimming holes or kayaking on the Goulburn River.