Cool Black Bear Road Colorado References. The road starts from state highway 550 at red mountain pass (signed as forest road #823). Black bear pass, also known as forest service road 648, is a challenging dirt road that connects u.s.

Highway 550 to telluride, colorado. Black bear pass, also known as forest service road 648, is a challenging dirt road that connects u.s. The road starts from state highway 550 at red mountain pass (signed as forest road #823).