Sun Valley is a city located in Blaine County, Idaho, United States. It is a resort city known for its ski mountains and outdoor recreational activities. The city is situated in the Wood River Valley, with the Big Wood River running through the center. Sun Valley is known for its luxurious resorts, including the Sun Valley Resort, which is home to Bald Mountain, a popular ski area. The city attracts tourists and outdoor enthusiasts year-round, offering activities such as skiing, snowboarding, mountain biking, hiking, fly fishing, and golfing. Sun Valley also hosts various cultural events, including film festivals, music concerts, and art exhibitions. With its scenic mountain views and vibrant outdoor lifestyle, Sun Valley is a popular destination for both residents and visitors.