Mountain Bike Reviews Forum

Intermediate ride with aerobic climbs, heart-skipping descents, and moderately smooth cross-country travel. Average grade about 6% with 5 or 6 stretches exceeding 15%. The highest point is about 5200 feet and the lowest point is about 4950 feet. This trail is for advanced to expert riders.

Please protect the native soil and plants. Rockin’A trailhead is across from Bar B and connects to Circle O. Starts from the east leg of North 40; ends on the east leg of North 40. Mostly red dirt surface with banked turns. All on smooth sandstone that slaloms down the wash. Best views of the area from the high line above Big Joe Bend.

Full suspension bikes are great, but they’re heavier, more expensive, and more maintenance intensive than a bike without rear suspension. Salsa’s Timberjack is a trail bike for riders who prefer the simplicity and durability of a hardtail. With a 130mm fork, dropper post, and 67-degree head angle, the Timberjack is stable and capable,—this bike is ready to get rowdy. It’s also very versatile, with swinger dropouts (420–437mm chainstay length) that let you tune the Timberjack’s handling, or set it up as a singlespeed. It also has clearance plus-size tires up to 3 inches wide (up to 2.6 in 29er) if you prefer traction and float. And if you want to get away, it has mounts for three bottles and a rear rack.

Start the trail off of the Gemini Bridges Road about 1.5 miles down from the Mag-7 Trailhead. Follow the paint marks and signs on a 4×4 road to the start of the singletrack. This downhill trail loses about 330 feet of elevation from start to finish, but gives you 610 feet of descent and 280 feet of climb. Great views of Monitor and Merrimac Buttes and the Sevenmile Wash canyons. The trail crosses Metal Masher jeep road and other 2-tracks several times before reaching Arth’s Corner trailhead. This allows numerous points to bailout and return to Gemini Bridges road and your car.

Average time to bike this trail is 1.5 – 2 hours. Intermediate ride along the toe of Big Mesa, then cross-country travel over sandstone and down a side slope to Big Lonely. The beginning and ending stretches slightly steeper, so about equal in difficulty going either direction.

From the Klondike trailhead out and back is 14.9 miles. Rock and dirt; pinyon and juniper; ramps giant ROAD BIKES to climb ledges. Descends into a valley then climbs up to a ridge where it connects to 7-Up.

mountain bike

The trail starts on a very dangerous cliff which has been the site of several fatalities. The trail then dives down a wide ledge of Kayenta Formation. The trail is very steep and rough, with an average grade of about about 23%. Use the Poison Spider option giant ROAD BIKES if you are uncertain about your skill level. Intermediate plus to advanced riders; physically challenging. From the Portal Trail start to SR-279 you will descend more than 1000 feet, but still climb about 550 feet over numerous hills & ridges.