Juniper Basin Campground is one of the backcountry campgrounds in Saguaro National Park, where you are allowed to stay overnight with a permit. An overnight stay is 8 dollars per person and night. The camp is located at 6,200 feet. recreation.gov/camping/campgrounds/10028678
There are 3 sites with a maximum number of 6 persons per site. You get here by hiking up the Tanque Verde Ridge over roughly 7 miles with 3,000 feet of elevation gain. Water at camp is very seasonal, so be prepared. Fires are allowed from dead and downed wood.