The Flatirons
Description
WikipediaThe Flatirons are rock formations in the western United States, near Boulder, Colorado, consisting of flatirons. There are five large, numbered Flatirons ranging from north to south (First through Fifth, respectively) along the east slope of Green Mountain (elev. 8,148 ft or 2,484 m), and the term "The Flatirons" sometimes refers to these five alone. Numerous additional named Flatirons are on the southern part of Green Mountain, Bear Peak, and among the surrounding foothills. The rocks themselves are between 290-296 million years old. They are a popular rock-climbing location, with Mountain Project listing 1,427 climbing routes in The Flatirons. Many gather at Chautauqua Park in Boulder at the base of The Flatirons to enjoy the natural environment, preserved by Boulder Parks and Recreation. The Flatirons are an iconic symbol of Boulder, serving as the city's signature backdrop, emphasizing the culture of adventure.
Best months
Hiking score 0–100 · 10-yr climate averagesNeighbouring summits
| Name | Elevation | Bearing | Distance |
|---|---|---|---|
| Green Mountain | 2,484 m | W 251° | 0.7 km |
| Dinosaur Mountain | 2,249 m | S 172° | 1.0 km |
| Table Mountain | 1,891 m | SE 119° | 1.5 km |
| Seal Rock | 2,260 m | S 163° | 1.8 km |
| Nebel Horn | 2,310 m | S 172° | 1.9 km |
| Two Tree Hill | 1,823 m | SE 121° | 2.1 km |
Climbing routes
nearest first| Route | Area | Grade | From summit |
|---|---|---|---|
| South West Face (AKA: Day Before) | Thing, The | 4a | 54 m |
| The East Face | Thing, The | 5a | 54 m |
| Vertical Military Crawl | Green Mountain Pinnacle | 5a | 70 m |
| Salsa Verde | Green Mountain Pinnacle | 7a | 70 m |
| Transgression | Green Mountain Pinnacle | 7b | 70 m |
| 2 Minutes? That's IT? | Green Mountain Pinnacle | 4c | 70 m |
| Green Sneak | Green Mountain Pinnacle | 3 | 70 m |
| Takin' Care of Business/ West Chimney | Green Mountain Pinnacle | 4b | 70 m |
| Death and Disfiguration | Green Mountain Pinnacle | 6b | 70 m |
| Death and Transfiguration | Green Mountain Pinnacle | 6c | 70 m |
| East Face/Green Mt Pinnacle | Green Mountain Pinnacle | 4c | 70 m |
| Faith and Resurrection | Green Mountain Pinnacle | 6a | 70 m |
| East Face/Willy B | Willy B | 5b | 77 m |
| Willy Warmer | Willy B | 6a | 77 m |
| Swing Time | Willy B | 5a | 77 m |
| Uncle Nasty (AKA: Willy B. Direct) | Willy B | 6b | 77 m |
| East Face, South Side | Fourth Flatiron | 4a | 137 m |
| Lower South-East Gully | Fourth Flatiron | 4a | 137 m |
| East Face, Extra Credit Summit | Fourth Flatiron | 3+ | 137 m |
| Excellent Crack | Fourth Flatiron | 4c | 137 m |
| No Balls At All | Fourth Flatiron | V1 | 137 m |
| Jester | Fourth Flatiron | 6b+ | 137 m |
| East Face, North Side | Fourth Flatiron | 3 | 137 m |
| East Face/4th Flatiron | Fourth Flatiron | 4a | 137 m |
| Arc de Triumph | Fourth Flatiron | 6c | 137 m |