Fun facts on the Boulder Flatirons:

In 1953, Dale Johnson (Geol’54) climbed the third peak on roller skates using ropes and belays.

They have an average slope of 55 degrees.

A white “CU” was painted on the side of the third flatiron until the city painted over it in 1980: It is still visible to keen-eyed observers.

In 2010, Stefan Griebel (ElEngr’97; MS’00) speed-climbed the east face of the third Flatiron in only 5 minutes 59 seconds.

According to the most recent Trip Advisor evaluations, the Flatirons in Boulder, Colorado are the most popular tourist destination in the area.

The Flatirons are a group of flatiron rock formations in the western United States, in Boulder, Colorado. The term “The Flatirons” sometimes refers to the five large, numbered Flatirons that run from north to south (First through Fifth, respectively) along the east slope of Green Mountain (elevation 8,148 ft or 2,484 m). There are numerous other named Flatirons on the southern part of Green Mountain, Bear Peak, and in the surrounding foothills.

The First and Second Flatirons Loop is a 2.7-mile widely traveled loop route situated near Boulder, Colorado. It is categorized as moderate and features magnificent wildflowers. The trail is best used from April through October for hiking, running, rock climbing, and snowshoeing. This trail is also dog-friendly.

photo via: pixabay