Located in the Lower San Pedro watershed of Arizona, the Fourmile Campground offers breathtaking views of the surrounding landscape. Visitors can enjoy the sight of towering saguaro cacti, mesquite trees, and a variety of desert flora and fauna. The campsite is situated near the San Pedro River, which flows year-round and provides a source of water for the many species of birds and other wildlife that call the area home.

One of the main attractions in the area is the San Pedro Riparian National Conservation Area, which is just a short drive from the Fourmile Campground. This protected area spans over 57,000 acres and offers visitors the opportunity to hike, birdwatch, and explore the beautiful riparian habitat along the San Pedro River.

The Fourmile Campground itself offers a range of amenities for visitors, including picnic tables, fire rings, and vault toilets. There is no drinking water available on-site, so visitors are advised to bring their own supply. The campsite is open year-round, although the best time to visit is during the fall and winter months when temperatures are more moderate. Average temperatures during this time range from the mid-60s to mid-70s Fahrenheit.

Interesting facts about the area include the fact that the San Pedro River is one of the last undammed rivers in the Southwest, and is home to over 80 species of mammals, including black bears, mountain lions, and bobcats. Additionally, the riparian habitat along the river is an important stopover for migratory birds, making it a popular destination for birdwatchers from around the world.

Overall, the Fourmile Campground area offers visitors a unique opportunity to experience the beauty and diversity of the Arizona desert, while also providing easy access to nearby points of interest and a range of amenities for camping and outdoor recreation.