Three Island Crossing State Park camping area is located in Glenns Ferry, Idaho, along the Snake River. The park offers breathtaking views of the surrounding mountains and the Snake River, making it a popular destination for nature lovers and photographers.

The park is close to several nearby points of interest, including the Oregon Trail Interpretive Center, the Bruneau Dunes State Park, and the Hagerman Fossil Beds National Monument. Visitors can also enjoy fishing, hiking, and rafting in the area.

The campground amenities include showers, restrooms, picnic areas, and fire pits. The camping area is first-come, first-served, with a total of 85 campsites available. There are also group sites available for large groups.

An interesting fact about the area is that it was a famous crossing point on the Oregon Trail for pioneers. The park has a historic site where visitors can learn about the history of this landmark.

The best time of year to visit Three Island Crossing State Park camping area is from May to September, with average temperatures ranging from 70°F to 90°F during the day and 40°F to 60°F at night. However, visitors should be aware of high winds in the area during the summer months.