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Spillway Campground

in Boise National Forest

The numbers that decide it

Recreation.gov publishes no site-level detail for this campground, so we cannot say what length of rig it takes. Call the managing office before committing to it in a large vehicle.

Site-level RV detail confirmed against Recreation.gov. Where a field says "not published," the agency has not published it — it does not mean zero.

Recreation.gov

Checked 2026-08-05

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Official Forest Service page

Spillway Campground

The Spillway Campground is a small campground with 3 campsites along Anderson Ranch Reservoir. The reservoir is a popular destination for fishing, boating, waterskiing and riding personal watercraft. There is excellent fishing in the reservoir for smallmouth bass and kokanee. Also try your luck at fly fishing just below the dam for a trout! Rafting access is at Reclamation Village, just south of the campground.

Before you go

Season

End of May – End of September

Reservations

First-come, first-served

Scenic drives that pass close

Make it a night on a better road

Byway plans the drive in — real stops, real weather, nothing invented.