First Flatiron
First Flatiron in Colorado has 19 traditional climbing routes across 8 grades.
- 19 routes
- 5.2 – 5.11a
- Trad
Best time to visit First Flatiron
Best months: April–June and September–October. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
47° / 21°
6 wet
Feb
48° / 22°
7 wet
Mar
57° / 29°
8 wet
Apr
63° / 34°
10 wet
May
71° / 43°
12 wet
Jun
83° / 51°
10 wet
Jul
88° / 57°
11 wet
Aug
86° / 55°
10 wet
Sep
79° / 48°
8 wet
Oct
66° / 37°
7 wet
Nov
54° / 28°
6 wet
Dec
46° / 21°
6 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Boulder, CO, 1.4 mi away at 5,484 ft. The station sits about 1,200 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
First Flatiron is a climbing area in Colorado on city land within the Bergheim - Wood unit, about a mile from Boulder. It sits in a cluster of climbing spots, with Second Flatiron, the Base of 2nd Flatiron Boulders and Mothership, The all within a tenth of a mile. For comfortable weather, aim for late spring or early fall. Typical averages from the nearby Boulder weather station run to highs around 71°F in May and 79°F in September, and those figures are at the station's elevation of about 5,500 feet. At First Flatiron, temperatures run cooler. The Bluebell Spur Trail and Saddle Rock Trail are both within half a mile for a hike. Boulder Creek, about 1.7 miles away, offers canoeing, and Winiger Ridge campground is roughly 5 miles off.
Routes (19)
Keep exploring — more climbs worth the drive
Photo: Akos Kokai, CC BY 2.0 (via Wikimedia Commons)The Mothership
~0 min drive
Mothership is a 6-route bouldering area in Colorado with 4 difficulty grades.
Photo: TranceMist, CC BY 2.0 (via Flickr)Satellite Boulders
~0 min drive
Satellite Boulders in Colorado has 6 bouldering routes across 4 grades.
Photo: Akos Kokai, CC BY 2.0 (via Wikimedia Commons)The Wave Boulder
~0 min drive
Wave Boulder, The is a climbing area in Colorado with 9 routes.
Photo: dreid1987, CC BY 3.0 (via Wikimedia Commons)El Primero Boulder
~0 min drive
5 bouldering routes at El Primero Boulder in Colorado.
Photo: TranceMist, CC BY 2.0 (via Flickr)Jaws
~0 min drive
Jaws is a 5-route climbing area in Colorado with traditional climbing on 4 difficulty grades.
Photo: Akos Kokai, CC BY 2.0 (via Wikimedia Commons)Gregory Canyon (including The Amphitheatre)
~1 min drive
Gregory Canyon (including The Amphitheatre) in Colorado has 10 climbing routes across 8 difficulty grades.
Photo: MarkDoliner, CC BY-SA 2.0 (via Flickr)The Amphitheater
~1 min drive
Amphitheater, The is a climbing area in Colorado with 39 routes.
Photo: Christian Collins, CC BY-SA 2.0 (via Flickr)North
~1 min drive
North, Colorado climbing area with 76 routes.
Photo: dreid1987, CC BY 3.0 (via Wikimedia Commons)Woods Quarry
~1 min drive
Woods Quarry in Colorado has 7 routes across 7 grades, offering bouldering, sport, and trad climbing.
Photo: dirkdavidson1, CC0 (via Flickr)Green Mountain Pinnacle
~1 min drive
Green Mountain Pinnacle in Colorado has 10 routes across 9 grades, offering sport and trad climbing.
