Annex Boulder, The
East Ironing Board
El Primero Boulder
Eyes of the Canyon
Green Mountain Pinnacle
Gregory Canyon (including The Amphitheatre)
Queen Anne's Head
Upper Satellite Boulders
W.C. Fields Pinnacle
West Ironing Board
This area includes popular and classic rocks such as the First and Third Flatirons, and the Amphitheatre in Gregory Canyon. Climbs here range from short newer-age sport climbs to long, trad, slab routes, including some of the longer trad routes in the Flatirons: the whole face of the 3rd, which is about 1300 feet and the Direct East Face of the First Flatiron which is about 1400 feet. Hard conglomerate Fountain Formation sandstone is the medium for your rock craft.
The usual approach to most routes in the North Flatirons area is from Chataqua Park (which can be crowded) or Gregory Canyon Trailhead (which charges parking fees for non-Boulder County registered vehicles). Take Baseline W. until you see a sign for the park on the left (you can't miss it since it's right below the Flatirons). For the Amphitheatre, continue on Baseline past the park entrance until Baseline curves sharply right up Flagstaff Mtn. Park on the road near here, or on the turn off to the trailhead on the left. You MUST pay for parking at the Gregory Canyon lot if you do not have Boulder County registration or you'll be ticketed by the Man.
Various of the Flatirons are closed for falcon nesting from Feb 1 up to July 31 and for bat nesting Apr 1 to Aug 31. Historically, some of these in this area have included Sacred Cliffs, East & West Ironing Boards, The Third Flatiron, Queen Anne's Head, occasionally Gregory Amphitheatre, and possibly others.
353 Total Routes
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Mountain Project's determination of some of the classic, most popular, highest rated routes for North:
Takin' Care of Business/ West Chimney 5.5 4b 13 IV+ 11 MS 4a Trad, 1 pitch, 100' Green Mountain Pinnacle
Direct West Face a/k/a Western Skyline 5.11b 6c 23 VIII- 23 E3 5c Trad, 1 pitch, 135' Third Flatiron
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