Just 5 miles NW of Sisters.
From Hwy 20 and N Locust St in Sisters, Drive North on N Locust St (which becomes Camp Polk Rd), Continue North on Camp Polk Rd, Left on Old Wagon Rd, Left on Sage Woods Ln, Right on Tumbleweed, Right on Ponderosa Ln, Right on NF2058, Left at the Y onto NF2059, and left on NF500 to the Zimmerman Pit.
From Hwy 20 and N Locust St in Sisters, Drive North on N Locust St (which becomes Camp Polk Rd), Continue North on Camp Polk Rd, Left on Old Wagon Rd, Left on Sage Woods Ln, Right on Tumbleweed, Right on Ponderosa Ln, Right on NF2058, Left at the Y onto NF2059, and left on NF500 to the Zimmerman Pit.