There are miles of mountain bike trails in the area.
Know of a new mountain bike trail not listed here? Please tell us about it here.
Singletracks members have ranked the best mountain bike trails in Portland, Oregon using our unique trail ranking algorithm. The best bike trails are rated by weighing the following ranking factors: average trail rating, number of members who have ridden the MTB trail, and the number of members who want to ride the MTB trail. Disagree with our list of the top mountain bike trails in Portland, Oregon? Find and review your favorite Portland, Oregon bike trails. Constantly updated.