The way points of this bicycle route:
Start Skyline Ranch and Shevlin Park Rds
LEFT on Bull Springs Rd at top of hill
Stay left to head west on Bull Springs
RIGHT ON 4606 / Brooks Scanlon
NF 879 joins 4606
CROSS Peterson Ridge Rd
RIGHT on 3 Creeks (pavement starts?)
TURN AROUND - retrace steps south
LEFT on 4606 / Brooks Scanlon
LEFT on Peterson Ridge Rd way ahead (sorry stupid bikely marker problem)
RIGHT on Harrington Loop
CROSS Trout Ln
RIGHT on Gist
RIGHT on Sizemore - follow all the way to Tumalo Res
