Best Hiking Trails in Douglas County

Best Hiking Trails in Douglas County

By Mara Holloway · April 17, 2026 · 10 picks

DougCo hiking is underrated. Everyone drives west out of Denver to hit Mount Falcon or Green Mountain and ignores the fact that the better trail system, with fewer people and better views of Pikes Peak, is 20 minutes south on I-25. This county runs from the Chatfield Reservoir shoreline in the north to the Palmer Divide ridgetop in the south, with Castlewood Canyon, Roxborough, and Philip S. Miller Park as the three anchor parks, and a dozen open-space trails between them that never make the Denver7 hiking lists. We've done every trail on this list more than once, some dozens of times. We'll tell you honestly which ones hold up in mud, which ones you should skip in summer, and where to park. The goal is a list that's useful in November when the I-70 trailheads are iced over and the Denver crowds are thick.

How we picked

Every trail on this list we've hiked at least twice across two seasons. We rate on scenery, trail quality (maintenance, footing, drainage), how crowded the trailhead parking lot gets on a Saturday at 10 a.m., and how well the trail holds up after rain. Google ratings bias toward the biggest trailheads, we adjust for that. A short, high-quality trail you'll actually come back to beats a long, mediocre one we could call iconic.

  1. 1
    Castlewood Canyon State Park
    4.8(3,529)·Franktown
    Castlewood Canyon State Park

    The top pick, and it isn't close. Castlewood Canyon is a state park carved into the sandstone along Cherry Creek, the old dam ruins on the canyon floor, the rim trail with Pikes Peak views, a 10-mile interconnected trail network with genuine elevation variety. Best hiked as the Inner Canyon Loop (2.5 miles, 300 ft gain) for the dam ruins, then add the Rim Rock Trail for the views. Weekday mornings are empty. Weekend parking fills by 10 a.m.; the South Entrance off Castle Rock is less crowded than the main North entrance. $9 state-park fee or a Colorado Parks Pass.

    Full review →
  2. 2
    Roxborough State Park
    4.8(2,672)·Roxborough
    Roxborough State Park

    Roxborough's red-rock formations are the reason to come, the trail winds through sandstone fins the same geological unit as Garden of the Gods, with better photography light and a fraction of the crowd. Fountain Valley Loop (2.3 miles, easy) is the signature hike; Carpenter Peak (6 miles, 1,000 ft gain) is the fitness version with a summit view. Pets are banned, this is a designated wildlife preserve with active deer and bear populations. Arrive before 9 a.m. on weekends or plan to wait for a parking spot. $9 fee.

    Full review →
  3. 3
    Waterton Canyon Trailhead
    4.7(1,269)·Roxborough
    Waterton Canyon Trailhead

    Waterton is the shortcut to big-country feel without the drive. A flat, service-road trail up the South Platte canyon, 12 miles roundtrip to Strontia Springs Dam, bighorn sheep crossings frequent, mountain bikes share the trail so keep right. The first 2 miles give you the scenery; out-and-back 4 miles is plenty for most visitors. Free parking at the trailhead on Kassler Road. Summer afternoons get hot with no shade; go early. Winter-accessible when the mountain trails are iced.

    Full review →
  4. Dawson Butte Ranch Open Space Trail

    Dawson Butte is a Larkspur local's trail, 5-mile loop around a ponderosa-forested mesa, rolling elevation, reliably empty. The parking lot holds 15 cars; we've never seen it full. Not the view trail of this list, you don't get the Pikes Peak panorama, but you get the quiet. Good choice when you want a hike but not a production. Mountain-bike-shared; yielding is courteous but conflicts are rare.

    Full review →
  5. 5
    Daniels Park
    4.6(865)·Sedalia
    Daniels Park

    Daniels Park in Sedalia is as much a driving destination as a hiking one, the paved road up to the bison overlook is a sunset ritual for a lot of DougCo locals. On foot, the trail network is modest (a couple of miles total) but the views off the escarpment are the best in the county. Bison herd is managed by the Denver Zoo. Sunrise here is worth setting an alarm for. Free parking. Avoid summer weekend afternoons when the parking loop backs up.

    Full review →
  6. 6
    Deer Creek Canyon Trails
    4.8(241)·Roxborough
    Deer Creek Canyon Trails

    Deer Creek is the foothills hike that tells you DougCo gets real terrain. Meadowlark Trail to Plymouth Creek Loop, 4.7 miles with 900 ft elevation gain, legitimate workout. Jeffco trailhead (technically Jefferson County but DougCo-adjacent enough to include). Arrive early; the lot fills by 9 a.m. on weekends. Shaded in sections, which makes it summer-friendly. $5 fee unless you have the Jeffco pass.

    Full review →
  7. 7
    Morrison Trailhead
    4.8(825)·Highlands Ranch
    Morrison Trailhead

    The Morrison Trailhead is the north gateway into the Dakota Hogback, the red sandstone ridge you see when you look west from Highlands Ranch. Short and steep up the ridge (1.5 mile loop, 500 ft gain), direct mountain-front views from the top. Crowded on weekends because the lot is small. Goes best as a sunset hike, head up at 6 p.m. in summer. Free parking, often full.

    Full review →
  8. Palmer Lake Reservoir Trailhead

    Palmer Lake Reservoir Trail is technically just over the DougCo line into Teller but we count it, the Ridge Trail loop (2.7 miles, 700 ft gain) delivers reservoir-and-ranch-country views that feel like they're an hour deeper into the mountains than they are. Parking at the Palmer Lake trailhead lot. Good choice when the DougCo trailheads are all crowded and you want a short drive further south for a quieter experience.

    Full review →
  9. 9
    Ridgeline Trail
    4.8(176)·Castle Rock
    Ridgeline Trail

    Ridgeline Trail in Castle Rock connects to Philip S. Miller Park via the Wolfensberger Road pedestrian bridge, which means you can do Challenge Hill and then string together a legit 5-7 mile loop out into the open-space network. 13 miles of interconnected single-track, moderate elevation, Pikes Peak visible on clear days. Free. Best as a weekend morning trail-run; less interesting as a destination drive. The newer section on the north end is still settling in, expect some rutting after heavy rain.

    Full review →
  10. 10
    Gateway Mesa Open Space
    4.7(219)·Franktown
    Gateway Mesa Open Space

    Gateway Mesa in Franktown is the underrated pick: 6 miles of trails across a 685-acre open space with no trailhead crowd because the parking lot is small and the signage from Highway 83 is intentionally quiet. Rolling grassland, a few oak-covered gullies, and a ridgeline view east toward the plains that gives you the 'Colorado used to be this' feeling. Best in the shoulder seasons, summer afternoons are hot and shadeless, winter mornings ice up the drainage.

    Full review →
What we're watching

A caveat: the Front Range trail scene in DougCo is growing faster than the ranking. Ridgeline Trail in Castle Rock and Rueter-Hess in Parker are both under five years old in their current configuration and both are worth reconsidering as they mature. We'll refresh this list in the fall after the dry summer trail conditions have a chance to show which of these hold up. If you want the absolute honest answer to 'what's the best hike in DougCo,' it's Castlewood Canyon on a Tuesday morning in October. Everything else is a second-best.

Written by Mara Holloway, April 17, 2026. Corrections, tips, or a venue we should add? Email nathan@denvercurated.com.

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