Gretchen Stuppy Carlson
Right in Boulder, this classic hike at the base of the towering Boulder Flatirons is must-do. This is an easy place to visit and this Boulder Flatirons Hiking Guide will give you everything you need to know for the perfect Boulder hike.
The Boulder Flatirons are a distinct rock structure that marks the start of the Rocky Mountains. Technically speaking, there are 5 numbered Flatirons. These towering rocks protrude from the ground at about a 55-degree angle and soar into the air forming the perfect backdrop for the city of Boulder and a great place to explore.
Back in 2006, Dave lived in Chautauqua right at the base of Boulder, and we spent time running and hiking almost daily in this area. Recently we spent time in Boulder and got the chance to show this beautiful place to our kids.
Overview of Boulder Flatirons Hiking
There are many options for hiking at the Boulder Flatirons since this is more of a series of trails than just one trail. This means there is something for everyone who wants to hike around the base of these rocks. Many of the trails are open and flat and are a great choice for trail running.
If you are looking to hike the Boulder Flatirons with kids, you can easily choose one of the easier trails and still get excellent views of the mountains and town. Another great option is to do a short walk and have a picnic (or a cup of coffee). The field area at the base of the Flatirons is a wonderful place to spend time whether you are walking or just taking it all in!
You can see suggestions below for some different routes to try at the base of the Flatirons, but you can also get to the trailhead and decide where to go from there.
Things to Know About the Boulder Flatirons Hiking Trails
Where to park to hike the Boulder Flatirons?
The most convenient place to park is at Boulder’s Chautauqua Park trailhead. This lot fills up early, so you can also park on Baseline Rd. If you are visiting during the summer on a weekend, you can also consider the free shuttle. You can find information on the Park-to-Park hiker shuttle online, which operates from Memorial Day to Labor Day.
Is there a fee to park or hike at the Boulder Flatirons?
During the summer there is a fee to park in the lot or on the street. You can pay at the kiosk at the lot or more recently you will need to download an app.
When is the best time to try the Boulder Flatiron Hiking Trails?
You can hike at the Boulder Flatirons all year long, although the best hiking is April-November. In the winter, you should plan to wear microspikes if it is icy or snowy. Summers in Boulder can be hot, so you are best off hiking early in the morning if possible.
What to pack to hike the Flatirons?
Like any hike, always make sure you pack enough food and water and bring layers. If you are hiking in the winter, microspikes are a great idea as well. Also see a complete list of things to bring hiking.
Map of the Boulder Flat Irons/Chautauqua Park Trails
Boulder Flatirons Hiking Details
As mentioned already, there are many ways to hike around the Boulder Flatirons. Trails are easy to challenging, and most of the lower trails are wide and flat. As you get further up in elevation, the trails become steeper and rockier. You can simply hike at the base of the Flatirons, or head right up in between several of the Flatirons for a more exciting walk. Below are some suggestions for different hiking routes at the Boulder Flatirons, or simply park and explore for yourself.
First and Second Flatiron Hike
This is a 2.4 mile out and back hike that takes you up between the 1st and 2nd Flatirons. It is a challenging route that gains about 1500 feet of elevation. This route is shown on the map above. This is a popular hike with great views, but is steep, especially towards the end.
Bluebell, Royal Arch, Bluebell-Baird and Meadow Loop Trail
This is a lovely walking trail that is about 2.4 miles long with 700 feet of elevation gain. Overall it is a moderate trail, but since there are many trail options, you can pick and choose what works for you. The trail mostly explores the meadow area below the Flatirons and walks along the base where the rocks begin to soar upwards.
Royal Arch Via Sentinel Pass
This 3.1 mile trail gains 1,400 feet of elevation. The first part of the hike traverses the meadow and you can choose from several trails. You will get to a pine forest and start to gain elevation including staircases. From here you climb to Sentinel Pass and it is 0.5 miles to Royal Arch. This cool arch is a great destination with views out across Boulder.
Climbing the Boulder Flatirons
Another popular activity when you’re visiting the Flatirons is rock climbing. If you are hiking, keep your eyes out for climbers heading up the rock faces. This is a rock climbing destination and there are many routes throughout the area. Note that there are occasional closures due to raptors’ nesting. You can see more about climbing the Flatirons at the Mountain Project.
Summary
You will find great and varied trails to take you around the base up to the Boulder Flatirons. Get views of Boulder and explore this iconic rock features.
Common Questions About Hiking the Boulder Flatirons
What are the Boulder Flatirons? The Boulder Flatirons are a series of iconic rock formations located in the foothills of the Rocky Mountains near Boulder, Colorado, known for their striking appearance and popular hiking trails.
How difficult is the hike to the Flatirons? The difficulty of the hike varies depending on the trail chosen. Some trails are relatively easy, while others can be challenging with steep inclines and rocky terrain.
Are dogs allowed on Flatirons hiking trails? Yes, dogs are generally allowed on most Flatirons hiking trails, but they must be kept on a leash. It’s important to check specific trail regulations and cleanup after your dog.
Is there an admission fee to hike the Boulder Flatirons? Most of the trails leading to the Flatirons are located in open space areas and do not require an admission fee. However, parking fees may apply at certain trailheads.
When is the best time to hike the Boulder Flatirons? The best times to hike the Boulder Flatirons are during the spring, summer, and early fall when the weather is mild. Winter hiking is also possible but may require additional equipment and precautions due to snow and ice.
