U.S. Forest Service · Mt. Hood Park Division Recreation Area · OR
AREA TRILLIUM · Site Day Use Amphitheater.
at Trillium
Group Picnic AreaSite type
First-comeHow you get it
The site
TypeGroup Picnic Area
LoopAREA TRILLIUM
HookupsNone
ShadeYes
Pets AllowedYes
Capacity/Size RatingSingle
AccessibleNot listed
Source: Recreation.gov RIDB full extract, per-site record · Aug 23, 2026
No reservation needed
First come,
first servedArrive early. Popular loops fill by afternoon.
first servedArrive early. Popular loops fill by afternoon.
Source: Recreation.gov
The campground
Every site, the season, fees, weather, and what is happening on this land right now: Trillium →
Most private sites here011 174 ft039 155 ft057 144 ft030 140 ft053 132 ft
Source: CAMPANAC campground index