This log cabin on the banks of Big Springs in Island Park was listed on the National Register of Historic Places in 1979. It was hand-built in 1939 by a German immigrant named John Sack and features inlaid flooring and hand carved furniture.

This preserve of grasslands and wetlands along the Henrys Fork of the Snake River peacefully coexists with Flat Ranch, a working cattle ranch owned by The Nature Conservancy. There is a visitors center open during the summer with a great view from the deck.

Mesa Falls Scenic Byway travels along Henry’s Fork of the Snake River. Under consideration for designation as a wild and scenic river, Henry’s Fork offers a variety of recreational activities like fishing, whitewater rafting, and waterfall
Mesa Falls

Island Park Reservoir which is formed by Island Park Dam is a major feature of the Mindoka Project. Recreation on this 11 square mile (7,000-acre) reservoir with 64 miles of shoreline is administered by the Targhee National Forest. Located in the high country of eastern Idaho, north of Idaho Falls.

The Henrys Fork of the Snake River was named for Andrew Henry, a fur trader who first saw it in 1810. Acclaimed by fly fishing enthusiasts as the best trout fishing stream in the United States, it begins at Big Springs, winds through Harriman State Park, all the way down to Ashton.