Boulder County, Colorado
1,538 hiking & walking trails · 16parks, recreation areas & campgrounds · 17 cities. Real OpenStreetMap + Recreation.gov data, with a free trail map for every listing.
About Hiking in Boulder County, Colorado
Boulder County is home to 1,538 mapped hiking trails and 16 federal parks, campgrounds, and recreation areas spread across 17 cities. Trail data is sourced from OpenStreetMap contributors; park and campground info comes from Recreation.gov.
Looking for something specific? Search all trails in Boulder County or browse parks. Want to narrow further? Pick a city below to see only that city’s outdoor options.
Trails & Parks in Boulder County
Up to 216 pinpoints showing trail and park locations across the county.
Cities in Boulder County
Click any city to see trails and parks within it.
Sample Parks in Boulder County
Sample Trails in Boulder County
Curated Guides for Boulder County
Frequently Asked Questions
Are there hiking trails in Boulder County, Colorado?
Yes — we have 1,538 mapped hiking and walking trails in Boulder County, Colorado, sourced from OpenStreetMap. Browse the full list below, with distance, elevation, and difficulty for each.
What is the most difficult hiking trail in Boulder County, Colorado?
Arkansas near Pinecliffe is rated hard — the toughest classification among Boulder County, Colorado's mapped trails.
What is the best hiking trail in Boulder County, Colorado for families?
1.0 Access near Jamestown is one of the best family picks in Boulder County, Colorado — easy difficulty, short enough for kids and first-timers. See the full family hiking guide below for more options.
Is there a trail map for Boulder County, Colorado?
Each of the 1,538 trails in Boulder County, Colorado has its own page with an interactive map, GPS coordinates, and a link to view it on OpenStreetMap — no app or account needed.
What parks and recreation areas are in Boulder County, Colorado?
Boulder County, Colorado has 16 parks, recreation areas, and federal facilities in our index. Each listing includes activities, photos where available, and directions.
Can I go camping in Boulder County, Colorado?
Yes — 2 of Boulder County, Colorado's parks have mapped campsites, from first-come sites to Recreation.gov reservations. The largest is OLIVE RIDGE with 56 sites. See the full campgrounds guide below for the ranked list.
Where can I find hiking trails and parks near Boulder County, Colorado?
Browse all hiking trails, walking trails, parks, and campgrounds across Colorado for more options beyond Boulder County, Colorado.
Hiking guides for Colorado
Statewide rankings and guides — useful context for Boulder County.
Photo: Sergei AkulichThe 10 Longest Hiking Trails in Colorado, Ranked
Colorado's longest mapped hiking trails, ranked by distance with notes on what makes each route worth the commitment.
Photo: Sergei AkulichColorado's 10 Most Punishing Trails by Elevation Gain
Steep is hard. These are the ten Colorado trails with the most total elevation gain — quad-burners earned by hard climbing.
Photo: Joshua EarleThe Best Beginner-Friendly Hikes in Colorado
Ten gentle, well-marked Colorado trails perfect for first-time hikers, families, or recovery days.
Photo: Joshua EarleThe 10 Most Challenging Hikes in Colorado
Colorado's ten hardest hikes — expert difficulty, big mileage, or serious exposure. Reserved for experienced hikers.
Photo: Joshua EarleThe Best National Parks & Recreation Areas in Colorado
Federal parks and recreation areas in Colorado ranked by what they actually offer hikers and campers, not just popularity.
Photo: Joshua EarleBest Waterfall Hikes in Colorado: 10 Trails to See Falls Up Close
Colorado's best hikes to named waterfalls — from short family-friendly viewpoints to all-day cascade chasing.