OR 205 begins at the Roaring Springs Ranch as a continuation of Catlow Valley Road, which connects with Nevada State Route 292 near Denio, Nevada. It travels north along the edge of the Catlow Valley and turns east to enter Frenchglen in Blitzen Valley.
OR 205 begins at the Roaring Springs Ranch, following from Catlow Valley Road as it joins with Nevada State Route 292 near Denio, Nevada. It then proceeds up the Catlow Valley and turns east to enter Frenchglen in Blitzen Valley.