The downhill ride on the entire Mil Rios trail is an epic outing, but is a relative rarity because of the logistics of arranging a shuttle to transport bikes and riders to La Neveria high in the Sierra Norte. Much more accessible and popular is the out-and-back ride on the lower Mil Rios trail which runs several miles into a mountain valley outside of the town of Tlalixtac. This portion of the trail can easily be reached from Oaxaca. On this particular Sunday in August there were dozens of hikers and mountain bikers taking advantage of this route. The four riders in our little group were happy to be among them. From start to finish the ride covered 44.6 kilometers (27.7 miles) with an elevation gain and loss of about 488 meters (1600 feet).
Taking a break at the turnaround point on the trail. 
Doing some rock-hopping to cross the stream. 
There were multiple creek crossings along the way.