…with one slight issue.

You need to gain access between Shamrock Rd and Douglas Reservoir on the NW side of the reservoir. There’s a gate and the adjacent property owner was cool.
Distance: 27 mi.
Elevation Gain: 800 ft.
Climb Rate: 300ft per 10 miles.
Percent of Gravel/Dirt: 100%.
Ride Time at 15mph: 1 hr 25 min.
Strava Info and GPX