Second Flatiron
Second Flatiron: A Boulder Icon
First Flatiron: Boulder's Iconic Landmark
Hike or climb Boulder's iconic First Flatiron for breathtaking views and a taste of Colorado's outdoor adventure.
The First Flatiron, a towering sandstone formation, is a prominent symbol of Boulder, Colorado, offering hiking and rock climbing adventures with stunning views of the city and surrounding landscape. Its accessible trails and challenging climbs make it a must-visit destination for outdoor enthusiasts.
Plan your visit
A brief summary to First Flatiron
Opening times, essentials, and a few local tips gathered into one calmer, easier-to-scan planning section.
Plan your visit
Boulder, Colorado, 80302, US
Monday
5 am-11 pm
Tuesday
5 am-11 pm
Wednesday
5 am-11 pm
Thursday
5 am-11 pm
Friday
5 am-11 pm
Saturday
5 am-11 pm
Sunday
5 am-11 pm
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Getting There
Walking
From the Chautauqua Park Ranger Cottage, head south on Bluebell Road towards the Bluebell Shelter. Then, turn west onto the Bluebell-Baird Trail. At the junction, follow the signs for the 1st/2nd Flatiron Trail. The trail becomes steeper and rockier as you ascend. This approach involves a moderate uphill hike of approximately 2.5 miles. Parking at Chautauqua Park costs $2.50/hour on weekends and holidays from Memorial Day to Labor Day.
Public Transport
Take the HOP bus to the intersection of Baseline Road and 9th Street. From there, walk west on Baseline Road to Chautauqua Park. Enter the park and follow the walking directions to the First Flatiron Trailhead. A single ride on the HOP bus costs $3.00.
Local tips
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Arrive early, especially on weekends, as parking at Chautauqua Park fills up quickly.
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Bring plenty of water and wear appropriate footwear, as the trails can be steep and rocky.
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Check trail conditions and weather forecasts before heading out, especially during winter months.
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Consider taking the free Park to Park shuttle on summer weekends to avoid parking hassles.
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Stay on marked trails to avoid erosion and protect the natural environment.
Discover more about First Flatiron
The First Flatiron stands as the most recognizable of Boulder's famous Flatirons, a series of five numbered sandstone formations rising dramatically from the city's western edge. These geological landmarks, part of the Boulder Open Space and Mountain Parks system, offer a unique blend of natural beauty and recreational opportunities.
Formed millions of years ago, the Flatirons derive their name from their resemblance to flat, metal clothing irons. The First Flatiron, in particular, presents a striking image, its steep, reddish face a challenge to hikers and climbers alike.
The area around the First Flatiron is rich in history. Originally known as the "Chautauqua Slabs," the Flatirons became a popular destination in the early 1900s. Today, the First Flatiron remains a favorite among locals and tourists, offering a variety of trails that wind through meadows, forests, and rocky terrain.
Whether you're an experienced rock climber seeking a challenging ascent or a casual hiker looking for panoramic views, the First Flatiron provides an unforgettable experience. The well-maintained trails offer varying levels of difficulty, ensuring there's something for everyone to enjoy.
A brief summary to First Flatiron
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