4405 - Mesa De La Osa is a hiking, biking, and horse trail in Pima County, Arizona. It is within Coronado National Forest. It is 10.3 miles long and begins at 3,935 feet altitude. Traveling the entire trail is 20.7 miles with a total elevation gain of 5,321 feet. The La Mesa del Oso Tank (elevation 4,147 feet) and Portoritas Tank (elevation 4,157 feet) reservoirs can be seen along the trail.
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