Sourgrass Trail is a 3.6 mile out and back trail located near Fall Creek, Oregon that offers scenic views. The trail is rated as moderate and primarily used for hiking. 3.6 miles Out & Back 911 feet hiking views Hide Map AllTrails Terrain Road Satellite Expand Map Sign up now to see this map! ReviewsPhotosTracksNikki Smith8 months ago4 Completed2 ReviewsA lot of uphill walking but well worth it once you reach the rocks, cutting away from the main trail you can walk up and investigate the amazing formations there. A creek flows by at the base start of the trail and a lot of beautiful forest surrounds the area.