Kent Trail is a hiking, biking, and horse trail in Marin County, California. It is within Mount Tamalpais Watershed. It is 4.2 miles long and begins at 722 feet altitude. Traveling the entire trail is 8.5 miles with a total elevation gain of 3,454 feet. The Alpine Lake water and Serpentine Point can be seen along the trail. The trail ends near the Potrero Camp picnic site.