Riverside Campground
- Right now
- OpenInside the published season, our reading; a database flag says not open
- Season
- May 1Opens May 1. No closing date published.
The place
the agency’s own description · what’s there
In the agency’s own words
Riverside Campground is located 15 miles north of Ashton, Idaho near beautiful Island Park, in a quiet area along the banks of Henry's Fork of the Snake River. Lodgepole pines provide partial shade, aspens dot the landscape, and summer wildflowers are abundant. Henry's Fork has great fly-fishing for rainbow and brook trout; tubing, canoeing, kayaking, and rafting are also popular on the river. Wildlife can be frequently spotted throughout the area.
Around the campground
- On the water
- River
Phone before you drive
recreation.gov publishes no availability for a campground you can’t reserve, so there’s no thirty-night reading to draw here. The season bar above is what the agency does publish.
Every line of the receipt · 4
What you actually pay
“Single Site $ 25.00 Double Site $ 50.00 Group Area $ 75.00 Extra Vehicle (ea.) $ 7.00” · the U.S. Forest Service’s own fee record
How we know this receipt · 5
record Aug 24, 2026 · How we know all this
Getting there
the map and the coordinate
Where it is
Riverside (ID - Targhee)Targhee National Forest · 0.0 mi
Bishop Mountain CabinTarghee National Forest · 6.6 miPole BridgeTarghee National Forest · 8.4 mi
Box Canyon CampgroundTarghee National Forest · 9.1 mi
Grandview Campground (Idaho)Targhee National Forest · 9.5 mi
Warm River CabinTarghee National Forest · 11 miThe weather
the next four days · the thirty-year normal
Next four days, and the thirty-year normal
Forecast
NWS forecast for Island Park, ID
Typical weather
Typical May night 40°F, day 65°F.
Coldest night of the open season: typical May night 40°F. Bring the bag rated for it.
Daily high and lowDays with 0.10 in or moreOutside the published season
A normal is the 1991-2020 average for the month, not a forecast: about half of all Augusts are colder than the August line. The seven-day forecast above answers the other question.
The land, and who answers for it
what threatens it · who answers for it
What threatens this place
You’re camping on ground somebody wants. We track the threats and the comment deadlines.
Who answers for this land

Riverside Campground is in Idaho’s 2nd congressional district. Its representative, Mike Simpson (R), votes on the laws that decide what happens to this land. Public-lands grade so far: F. See every public-lands vote →