Campgrounds.
There are three main campgrounds open from about July 1 to September 30. Mazama Campground, near the junction of the south and west entrance roads, and Rim Campground, close to Rim Village, have fireplaces, tables, water and flush toilets. Lost Creek Campground in the southeast part of the park and 12 miles from park headquarters, has fireplaces, tables, and water, but toilets are most primitive.
Camping is limited to 30 days. No reservations for campsites can be made.