Portuguese Creek River Access, Seiad Valley, CA
Portuguese Creek River Access is a free, dispersed camping area offered by Klamath National Forest. It's a small area with a few sites just big enough for cars, vans, and pickup trucks. Trailers under 20 feet may be able to fit in. It's difficult to find because there are no signs marking this from CA-96. The map maker below notes where the entrance from the highway is.
Sluice Box River Access, Seiad Valley, CA
Sluice Box River Access offers free, dispersed camping within Klamath National Forest. There is enough room here for a few full-sized RVs, along with more room for several cars, vans, and pickup trucks. In addition to being a popular river access for kayaks and rafts, it's also an excellent site for watching birds and river otters. The Forest Service maintains a portable toilet during the summer months.
Blue Heron River Access, Hamburg, CA
Blue Heron River Access is a free, dispersed camping area and river access site offered by Klamath National Forest. Limited shade is available for a few dispersed campers. RV's and trailers are an easy fit. There are no facilities but an information board has current info on campfire permits and fire restrictions for the area.
Brown Bear River Access, Horse Creek, CA
Brown Bear River Access is a free, developed campground and river access site offered by Klamath National Forest. There are no defined campsites here, it's purely dispersed camping. There's perhaps room for four to six vehicles, depending on size. There are at least a few sites that can hold full-sized RVs.
Gottville River Access, Yreka, CA
Gottville River Access is a free, developed campground offered by Klamath National Forest. It's primarily used as a launch point for river rafters and kayakers. It's a small campground with room for only cars, vans, and pickup truck campers. Trailers and motorhomes will not fit here. Even at that, there's only room for a two or three vehicles tops.
Skeahan Bar River Access, Yreka, CA
Skeahan Bar River Access is a free, boondocking area offered by Klamath National Forest. It's primarily a launch point for river rafters and kayakers, but has a wide, flat area where dispersed camping is allowed. There are some picnic tables, but otherwise no marked campsites. Full sized RVs can easily fit into this camp.
Bridge Flat Campground, Fort Jones, CA
Bridge Flat Campground is a free, dispersed campground operated by Klamath National Forest. This was at one time a developed campground with picnic tables and fire rings, but they have since been removed. There is room for large RVs here, but the campground itself is small.
Red Bank Campground, Forks of Salmon, CA
Red Bank Campground is a free, developed campground offered by Klamath National Forest. With five (5) campsites, it's small, and the sites are also small, suitable only for cars, vans, and pickup truck campers. Small trailers under 20 feet may be okay. Picnic tables, fire rings, and vault toilet are on site.
Mulebridge Campground, Etna, CA
Mulebridge Campground is a free, developed campground offered by Klamath National Forest. It has four campsites on the North Fork of the Salmon River, and is located at the trailhead for the North Fork trail. There is no garbage service at this campground.
Hotelling Campground, Forks of Salmon, CA
Hotelling Campground is a free, developed campground offered by Klamath National Forest. It has four campsites right on the South Fork of the Salmon River. Picnic tables, fire rings, and a vault toilet are on site. There is no trash can on site. Any water must be drawn from the river and filtered.