Rob Stanley 1 day ago
Gravel Route
On Cabin Creek Rd, Allenspark, Boulder County, Colorado
A difficult gravel loop that takes you behind the Twin Sisters. The road has been "improved" for fire access but is still a challenge. Counter Clockwise is easier but still difficult.
Distance
Elevation
20.66 miles
7,756 ft minimum
9,337 ft maximum
3,340 ft gain
3,337 ft loss

87% gravel
13% pavement

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 Rob Stanley
1 day ago
There is no parking at the start/finish (private). Lilly Lake off of Hwy 7, Fish Creek Road in Estes Park or the south end start of Pierson Park have parking.