Isaac Nickerson Loop is a 4 mile loop trail located near Cascadia, OR. The trail is good for all skill levels and primarily used for snowshoeing. 4.0 miles 300 feet Loop kid friendly snowshoeing Expand Map Sign up now to see this map! Reviews (1)Photos (0)Recordings (0)Holly McIntoshhiking2 years ago3-4 hour hike. Make sure you take plenty of water.