Rum River North is a 4.4 mile loop trail located near Anoka, MN. The trail is primarily used for hiking. 4.4 miles Loop hiking Expand Map Sign up now to see this map! Reviews (1)Photos (7)Recordings (0)Charles C.2 months agonice paved trail for walking or biking. further north past bunker blvd is a trail great for if you want to get off the paved trail..