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State Park
Riverside (id - Targhee)
Targhee National Forest · Island Park, ID
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State parks set their own rules and reservation systems. Fire bans, road closures, and operating dates change seasonally — check the state park website before traveling.
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Official sources & verification
Managed by State Park
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- Operator website
Listed website for the campground operator.
Verify by phone or mail
- Reservations:208-558-7658 OR 208-270-0094
- Operator:208-558-7658
- Address:TARGHEE · Island Park, ID
Live availability
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Availability is a recent snapshot, not a live hold — you always complete the booking on recreation.gov.
About
Overview
Riverside Campground is on the banks of the Henry's Fork of the Snake River, just 15 miles north of Ashton, Idaho. Beautiful Island Park is nearby, where visitors enjoy boating, fishing and exploring local trails.
Please click here for further information about the facility and recreation opportunities in the area.Recreation
Henry's Fork has great fly-fishing for rainbow and brook trout. Tubing, canoeing, kayaking and rafting are also popular activities on the river.Facilities
The campground offers one group site that can accommodate up to 40 people. Several single family sites are also available, each equipped with a picnic table, campfire ring and grill.
Vault toilets, drinking water and trash collection are provided but there is no electricity. Firewood is available for purchase from the host. Gas and groceries are 8 miles away.Natural Features
The campground is situated along the Henry's Fork at an elevation of 6,200 feet. Lodgepole pines provide partial shade and aspens dot the landscape. Summer wildflowers are abundant. A variety of wildlife, including moose and deer, is frequently spotted throughout the area.
Nearby Attractions
Island Park has outdoor activities for visitors of all ages. Hundreds of miles of hiking, biking, horseback riding and ATV trails crisscross the area. Island Park Reservoir and Henry's Lake are nearby, with boat ramps, fish cleaning stations, boating, water skiing and fishing.
Yellowstone and Grand Teton National Parks are close enough for a day trip. Both parks offer hiking and fishing in breathtaking natural settings.
Directions:
From Ashton, Idaho, travel north on Highway 20 for 15 miles, take Riverside Campground turnoff, travel 1 mile to the campground entrance.
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Pet Policy
No pets allowed
Campground Rules
- No campfires allowed
Individual Sites (58)
In this park
Trails at Targhee National Forest
Within ~30 miles
Trails near Riverside (id - Targhee)

Silver Lake Trail and Thurmon Creek Loop
Idaho
6.9 mi541 ftgain
TrailModerate

Last Chance Trail
Idaho
4.2 mi
Trail

Harriman Ridge Trail Loop
Idaho
6.0 mi673 ftgain
TrailModerate

Thurman Creek and Meadow Loop
Idaho
4.7 mi358 ftgain
TrailModerate

Ranch Loop
Idaho
1.7 mi112 ftgain
TrailEasy

River Trail and Ranch Loop
Idaho
2.8 mi194 ftgain
TrailEasy
Hunt context
Hunting units around this campground
During hunting seasons, wear blaze orange and check regulations — see the Idaho hunting page
Nearby Campgrounds
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