20 Popular Colorado Hiking Trails

Colorado, renowned for its majestic Rocky Mountains, offers a plethora of hiking trails that extend beyond its 4 major national parks. From alpine lakes to red rock canyons, join us on a journey through some of the Centennial State's 20 more popular hiking trails, where breathtaking vistas, wildflower meadows, and rugged terrains await every adventurer.

1. HANGING LAKE TRAIL (GLENWOOD CANYON)

One of Colorado’s most iconic hikes, this short but steep trail leads to a turquoise travertine lake suspended on a cliffside. Wooden boardwalks protect the fragile ecosystem as you take in cascading waterfalls and crystal-clear water. The trail is heavily regulated to preserve its beauty. Early morning permits offer the most peaceful experience.

2. STAUNTON RANCH TRAIL (STAUNTON SP)

Just outside Denver, this scenic trail passes through ponderosa pine forest and granite outcrops. It connects to Elk Falls, one of the park’s most beautiful hidden gems. The route offers moderate climbs and sweeping Front Range views. Wildlife sightings often include elk and mule deer along the way.

3. DEVIL’S HEAD LOOKOUT TRAIL (PIKE NATIONAL FOREST)

This popular trail climbs to an active fire lookout tower perched on a granite summit. The 143-step staircase at the end delivers 360-degree mountain views. It’s a must-do summer hike near Denver. On clear days, you can see over 100 miles in every direction.

4. ELK FALLS OVERLOOK TRAIL (STAUNTON SP)

This extension off Staunton Ranch Trail leads to one of Colorado’s most picturesque waterfalls. The viewpoint reveals cascading water surrounded by rugged cliffs and forest. The moderate distance and well-marked path make it a local favorite. It’s particularly stunning in late spring after snowmelt.

5. CHAUTAUQUA TRAIL (BOULDER)

Set at the base of the Flatirons, this classic trail offers immediate access to Boulder’s signature sandstone peaks. Multiple route options lead to sweeping city and mountain views. The area’s mix of wildflowers and geology make it a top destination for all skill levels. Sunrise hikes are especially magical as the rock faces glow red.

6. STAIRS GULCH TRAIL (ROXBURY SF)

A lesser-known gem near the Front Range, this steep trail climbs through tight granite walls and waterfalls. The narrow canyon and stream crossings make it adventurous but rewarding. The shaded environment stays cool even on hot days. It’s ideal for those seeking solitude close to Denver.

7. MOUNT SANITAS TRAIL (BOULDER)

This steep loop rewards hikers with panoramic views of Boulder, the plains, and the Front Range. It’s a favorite workout trail for locals. Despite the short distance, the elevation gain delivers a solid challenge. Expect friendly hikers, dogs, and incredible sunsets year-round.

8. RED ROCKS TRAIL (RED ROCKS PARK)

This scenic loop winds through striking red sandstone formations surrounding the famous amphitheater. The trail is moderate and filled with unique rock textures and desert flora. Hikers often pair it with a concert or yoga session at Red Rocks. Morning hikes are best before the crowds arrive.

9. CRAGS TRAIL (PIKE NATIONAL FOREST)

Located near Divide, this hike climbs through forest and granite domes to expansive views of Pikes Peak. The wide open summit makes it a favorite for photography. It’s moderate in difficulty with a rewarding payoff. In autumn, the aspen groves along the route are spectacular.

10. LOCH VALE TRAIL (ROCKY MOUNTAIN FOOTHILLS)

This alpine lake trail offers a less-crowded alternative to the national park hikes nearby. It features waterfalls, dense forest, and mirror-like reflections on the water. The elevation gain makes it invigorating but not extreme. Early mornings often bring calm winds and perfect reflections.

11. HERMAN GULCH TRAIL (ARAPAHO SF)

Famous for wildflowers and mountain scenery, this trail climbs steadily to a high alpine basin. In July, the meadows burst with color beneath snow-capped peaks. The final view of Herman Lake is breathtaking. It’s one of Colorado’s most accessible alpine adventures from I-70.

12. RATTLESNAKE ARCHES TRAIL (MCINNIS CANYONS NCA)

This trail outside Grand Junction showcases the second-largest concentration of natural arches in the country. The route follows slickrock and desert ridges with incredible formations. It’s strenuous and remote but rewards with unmatched scenery. Bring plenty of water for this desert hike.

13. STAUNTON BLUFFS TRAIL (STAUNTON SP)

Another gem inside Staunton SP, this route leads to wide-open overlooks above forested valleys. The cliffs provide dramatic photo opportunities. The trail is moderate and well-maintained with interpretive signs. It’s beautiful in every season but shines brightest in fall.

14. FOUNTAIN VALLEY TRAIL (ROXBOUROUGH SP)

This easy loop offers incredible red rock formations and sweeping views of the Front Range. The trail includes historical structures and abundant wildlife. It’s perfect for families or relaxed afternoon walks. The early morning light makes the cliffs glow deep orange and red.

15. CRYSTAL MILL TRAIL (MARBLE AREA)

This rugged route follows the Crystal River to one of Colorado’s most photographed landmarks — the old wooden mill. The dirt road is steep and rocky but stunning throughout. Hikers share the route with off-road vehicles, so stay alert. The turquoise water below the mill adds to the scene’s beauty.

16. CUB LAKE TRAIL (ESTES PARK AREA)

This scenic lake hike passes through meadows, aspens, and rocky ridges with wildlife viewing along the way. The moderate elevation gain makes it a great family adventure. It’s especially lovely during fall when aspens turn gold. Elk are commonly seen grazing near the trailhead.

17. ST. MARY’S GLACIER TRAIL (IDAHO SPRINGS AREA)

This short but steep trail leads to a permanent snowfield and shimmering alpine lake. It’s one of the most popular quick hikes from Denver. The surrounding peaks and icy water make it a year-round favorite. Snowfields linger even through summer, adding to the alpine feel.

18. CASTLEWOOD CANYON TRAIL (CASTLEWOOD CANYON SP)

This moderate hike explores a hidden canyon filled with rock spires, caves, and waterfalls. The mix of prairie and canyon scenery feels unexpected on the plains. The park’s history includes remnants of an old dam that once burst dramatically. It’s a local gem just south of Denver.

19. COYOTE RIDGE TRAIL (FORT COLLINS AREA)

This rolling trail through foothill prairie and scrubland offers peaceful views of the Front Range. It’s great for wildlife watching, especially mule deer and hawks. The gradual climb makes it accessible for all skill levels. Spring brings bursts of wildflowers across the hillsides.

20. RAINBOW TRAIL (SAN ISABEL SF)

Stretching over 100 miles along the Sangre de Cristo Mountains, this scenic route connects multiple trailheads and alpine passes. Hikers can tackle short sections for stunning mountain views. It’s a true Colorado classic for backpackers and solitude seekers. Wildflowers, streams, and aspen groves line the entire corridor.

Colorado's hiking trails beyond national parks reveal the state's diverse beauty, from alpine peaks to red rock canyons. Whether you're a seasoned hiker or a family seeking scenic strolls, the Centennial State's trails offer an array of experiences. Lace up your hiking boots, breathe in the mountain air, and embark on an adventure through the stunning landscapes of Colorado.