Southeast Region
Idaho Department of Fish and Game
Portneuf Lower Sportsmens Access
Portneuf Lower Campground, Lava Hot Springs, ID Portneuf Lower is probably is the best kept secret with respect to free camping in Lava Hot Springs. Well, at least it was. While RV parks in town cost as much as $100.00 a night, and still get sold out during weekends in Summer, Portneuf Lower often has several places where RVers can boondock, and only be two miles away from town. The campground is located right on the Portneuf River. You can literally camp right on the banks, and hear the sounds of gentle waterfalls pouring over travertine slabs. Instead of waking up ... Read more