Conquering the Milagrosa and Molino Basin: Tucson’s Premier Desert Ride
The Milagrosa and Molino Basin trails in Tucson offer a quintessential desert mountain biking experience with a mix of steep descents, technical terrain, and sweeping vistas. Starting near Mt. Lemmon, this ride is known for its intense challenges and rewarding scenery. The route descends into the Molino Basin before offering two options: climb back out or connect to the Arizona Trail for a more extended adventure that ends at Reddington Pass. This ride is a favorite among advanced riders seeking rugged terrain and breathtaking desert landscapes.
With a total distance of approximately 20 miles when following the Arizona Trail to Reddington Pass, this is not a ride for the faint-hearted. Riders should come prepared for remote sections, rocky challenges, and the logistical demands of a shuttle setup. But for those who tackle it, the Milagrosa and Molino Basin trails deliver a mix of adrenaline and awe, capped off by the serenity of Tucson’s open desert.
Adventure Guide to Mountain Biking the Milagrosa / Molino Basin
Key Facts:
Location: Santa Catalina Mountains, Tucson, Arizona
Trail Type: Technical singletrack with shuttle option
Difficulty: Advanced
Length: ~20 miles (with Arizona Trail and Reddington Pass connection)
Starting Point: Begin near Mt. Lemmon with a shuttle drop-off. The trail quickly descends into the Molino Basin, a technical section featuring rocky terrain, tight switchbacks, and challenging drops.
Option 1 – Climb Out: After reaching the basin, riders can climb back to the trailhead for a shorter, looped ride.
Option 2 – Connect to Arizona Trail: For an extended adventure, follow the Arizona Trail south from the basin. This section offers a mix of flowy and technical terrain, eventually leading to Reddington Pass.
Reddington Pass to Town:
Upon reaching Reddington Pass, a dirt road leads back toward Tucson. Be prepared for a long, exposed ride—this section is less technical but can feel grueling without proper hydration and pacing.
Pro Tips:
Shuttle Logistics: Park one car at the bottom of Reddington Pass and shuttle to Mt. Lemmon to simplify the ride.
Gear Up: A full-suspension bike is highly recommended for tackling the rocky descents.
Hydration and Nutrition: Bring ample water, snacks, and tools for repairs—this is a remote trail with no services.
Time It Right: Start early to avoid riding the dirt road in the heat of the day.
What to Expect:
This ride is revered for its technical challenges, rewarding views, and the feeling of solitude in the open desert. The Milagrosa and Molino Basin trails are the perfect playground for expert riders looking for a full-day adventure. Whether you’re tackling the climbs, navigating the switchbacks, or soaking in the Arizona sunsets on the dirt road back to town, this ride is unforgettable.
Adventure Map
Tucson Info
Difficulty
Expert
Distance
6.0 mi
Elevation
1038 ft
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Reviews
Cara Kerouac10 months ago
We had a fabulous time here! Well maintained and most sites are situated to allow for maximum privacy. It's really beautiful tucked between mountains with a creek, and hiking trail right off the campground.
Sonia Miranda3 years ago
This campsite is pretty awesome! It also has a hiking trail right next to it. It’s spooky at night up in the mountains. Take flashlights!!
Helen Habgooda year ago
Great campground, very spread out so lots of space between campsites. Clean restrooms. Quiet and nice views.
This is dry camping - bring your own water; there are vault toilets, garbage bins. Only a few sites are suitable for RVs and they recommend maximum 22ft for trailers.
Victor B4 years ago
This is a great campground and it’s only a short drive up Mount Lemmon. Actually pretty near the bottom just north of mile marker 4. Lots of camping spots a d fairly well spread out. They provide a table and grill area and most spots I saw. Fees for the night are very reasonable.
I went for a hike and I thought the trails were pretty poorly marked. You have to really look for the vertical rectangle “trail” signs and they are often pretty faded. The views were ok but nay as odd as many other hikes in Tucson.
Penny & Hunter Kelly5 years ago
Perfect spot for our end of March camping trip. We arrived on a Friday afternoon expecting it to be packed but there were plenty of spots (some remained empty). We had a lot of fun going on the easy hike with the kids (didn't do the whole thing) and had some deer get pretty close. I recommend this to everyone including first time campers. No running water but there are pit toilets (thus the 4 stars).