In Idaho, BLM manages nearly 1,000 acres of public lands in the Snake River Islands Wilderness Study Area. The Snake River Islands are characterized by dense riparian vegetation. From Conant Valley the river flows through rugged deep gorge comprising the most scenic stretch of the South Fork. Fishing from and around the islands is the most popular activity here. This area has an excellent cutthroat trout Fishery in the South Fork of the Snake River. The river channel along the islands offers challenge for boaters to test their skills on flat swift water. Primitive camping is available on several of the larger islands where there are grassy openings in the thick vegetation. The abundance and diversity of wildlife on the islands offer good deer and waterfowl hunting and excellent chances to observe and photograph several wildlife species particularly bald and golden eagles.

Visitation Information

Comprised of 39 separate islands located within 25-mile segment of Idaho’s South Fork of the Snake River in Bonneville County between Swan Valley and Heise, Idaho. The islands are accessible via boats.

Visitor Advisory

Visitors should come prepared for backcountry conditions and adequately prepare for their trip. Knowledge of weather, terrain, and physical conditions can help ensure safety.