Supply Box @ N Freeman Road loop from Catalina Tank

If you're looking for a serious challenge on two wheels, the Supply Box @ N Freeman Road loop from Catalina Tank gravel biking route delivers. This difficult 46.5-mile (74.8 km) ride packs in 2053 feet (626 metres) of elevation gain, taking around 6 hours and 22 minutes to complete. It's a demanding day out best suited for experienced gravel riders with very good fitness who want to push their limits in the Arizona desert.

What to expect on Supply Box @ N Freeman Road loop from Catalina Tank

Expect a diverse landscape as you traverse this loop, moving through impressive forests of saguaro and cholla cacti with Black Mountain to the south and Coyote Peak to the north providing scenic backdrops. The route combines wide, well-maintained sections of Freeman Road with sandy washes, ruts, and occasional embedded boulders, especially in wash crossings that can become tricky after rain. This varied terrain, coupled with the significant elevation changes, means you'll be working hard, but the ever-changing Sonoran Desert flora and potential wildlife sightings make it a rewarding experience for those who enjoy a rugged ride.

Planning your visit

Before you head out, remember that this trail is on Arizona State Trust Land, so a recreation permit is required. Cell service in the Freeman Road area is minimal and inconsistent, making offline maps essential for navigation. Be aware that wash crossings can become impassable during monsoon season, so check conditions before you go. The famous "Supply Box @ N Freeman Road" is a unique resupply point, often stocked with water and sometimes snacks, but don't rely solely on it; carry plenty of your own water for this challenging desert ride.

• Distance: 46.5 miles (74.8 km)
• Elevation gain: 2053 feet (626 metres)
• Difficulty: difficult
• Estimated time: 6 hours and 22 minutes