1st/2nd Flatiron

Boulder · Boulder County · CO

0.8 miDistance
309 ftTotal climb
1,224 ftTotal descent
7,157 ftHigh point
6,242 ftLow point
HardDifficulty
groundSurface

Elevation profile

1st/2nd Flatiron is a 0.8-mile hard trail near Boulder, in Boulder County, CO. It climbs 309 ft and descends 1,224 ft, between 6,242 ft and a high point of 7,157 ft. Hard difficulty: calculated from 36% avg grade · 1.6 mi round trip, 1,534 ft climb. The surface is ground. Mapped for hiking, trail running.

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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.