Trillium is a national park campground at Mt. Hood National Forest in Clackamas County, Oregon. Reservations are managed through Recreation.gov. Campsite Tonight watches Mt. Hood National Forest around the clock and automatically adds an open site to your Recreation.gov cart the moment a cancellation appears — so you just check out.
Trillium is in very high demand — sites here routinely sell out well in advance. Cancellations are often the best way in, which is exactly what Campsite Tonight watches for.
The campground accommodates RVs and trailers up to 100 ft.
Other campgrounds at Mt. Hood National Forest include Still Creek, Frog Lake, Clear Lake (or), Camp Creek and Clear Lake Cabin Lookout.
Total reservations in May — 2023: 296 · 2024: 198 · 2025: 191
Address
Clackamas County, Oregon
Coordinates
45.2707, -121.7345
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.
Mt. Hood National Forest
Mt. Hood National Forest
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Mt. Hood National Forest
Mt. Hood National Forest
Mt. Hood National Forest
Mt. Hood National Forest
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