Larimer County, Colorado, United States
8.3 miles (13.4 km) · 3,055 ft elevation gain · Loop · trail · Route
Notchtop Mountain, Spiral Route (CO) covers 8.3 miles across Larimer County, Colorado, United States. Runners face 3,055 feet of climbing with 3,049 feet of loss. The most significant ascent covers 2.4 miles and gains 1,870 feet. Vertical rate measures 368 feet of gain per mile. The course is 44% runnable, with the remainder requiring hiking on steep or technical sections. Trail comprises the majority of the course. Technical difficulty: mountainous. This route ranks at the 97.57th percentile for difficulty among similar distances. Popular among trail runners and hikers seeking Colorado adventures.
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