The Flatirons

The iconic rock walls of Green Mountain, known as the Flatirons, are a defining symbol of Boulder. Many local businesses proudly incorporate their image into their logos. The most prominent formations are Flatirons One through Five, but you can also find several smaller formations with imaginative names waiting to be explored. These scenic slopes are famous for rock climbing, with historical markers left by early 20th-century climbers, especially on Number Three. However, if climbing isn't your forte, the area's hiking trails offer breathtaking views of the Flatirons suitable for all ages and skill levels. For detailed information on the trails, visit the Visit Boulder website.

Many previous visitors agree that a trip to Boulder is incomplete without visiting the Flatirons. If you intend to hike, travelers suggest coming prepared as some trails can be steep and slippery. And don't forget your camera to capture the stunning vistas.

Hours and Tickets

The Flatirons are accessible for free daily from 5 a.m. to 11 p.m.

Getting to the Flatirons

Located on the southwestern edge of Boulder near Chautauqua Park, the Flatirons are easy to find. If you opt to drive, there is a $5 parking fee for using the lot on the west side of Highway 93. To avoid the parking fee and potential congestion, consider using the seasonal Park to Park Shuttle, which provides access to many trails. For more details about the shuttle service, visit the city's dedicated page on Park to Park Shuttle information.