12 Best Hikes in Rocky Mountain National Park (2026 Trail Guide)

Rocky Mountain National Park packs more than 350 miles of trail into a stretch of the Front Range where the peaks top out above 14,000 feet. You can walk a flat lakeshore loop with your kids in the morning and stand below the Diamond on Longs Peak the next day. The hard part isn't finding a good hike here, it's choosing. This guide covers the 12 best hikes in Rocky Mountain National Park across every difficulty level, with real trail stats, where to park, and how the timed entry permit system works so you actually get in. For a broader overview of the park, see our full Rocky Mountain National Park guide.

What You'll Learn

• Bear Lake Nature Trail
• Alberta Falls
• Nymph, Dream, and Emerald Lakes
• Cub Lake Loop
• Gem Lake
• Deer Mountain
• The Loch
• Mills Lake
• Ouzel Falls
• Sky Pond
• Chasm Lake
• Longs Peak via the Keyhole
• How the Timed Entry Permit Works
• What to Pack for RMNP Hikes
• Frequently Asked Questions

Bear Lake Nature Trail

Distance: 0.7 miles loop | Elevation Gain: 45 ft | Difficulty: Easy

If you have one hour and want the biggest payoff for the least effort, walk the Bear Lake loop. The trail circles a subalpine lake at 9,475 feet with Hallett Peak and the Flattop Mountain wall reflected in the water. It's flat, mostly smooth, and stroller-friendly for the paved sections, which makes it the park's most popular short walk.

The catch is the crowd. Bear Lake sits at the end of Bear Lake Road, the busiest corridor in the park, and its lot fills by 8 AM most summer mornings. Ride the free park shuttle from the Park and Ride if you can. For the full rundown on this trailhead and the hikes that branch off it, read our Bear Lake trailhead guide.

Alberta Falls

Distance: 1.6 miles round trip | Elevation Gain: 230 ft | Difficulty: Easy

Alberta Falls is the payoff hike for families who want moving water without a long climb. Starting from the Glacier Gorge trailhead, the path rolls through aspen and pine to a 30-foot cascade on Glacier Creek that roars in June and mellows to a trickle by September. It's a gentle grade the whole way, and the falls make an easy turnaround for younger kids.

This trail is also the gateway to some of the park's best longer hikes, so expect steady foot traffic. Get here early, both for parking and for the light on the water. The Glacier Gorge lot is tiny and fills before Bear Lake does, which is another vote for the shuttle.

Nymph, Dream, and Emerald Lakes

Distance: 3.5 miles round trip | Elevation Gain: 700 ft | Difficulty: Moderate

This is the classic RMNP day hike, a string of three alpine lakes that get better as you climb. Nymph Lake comes first at half a mile, covered in yellow pond lilies. Dream Lake follows, long and narrow with Hallett Peak towering over the far end. Emerald Lake caps it off, tucked in a rock bowl below Flattop Mountain.

The trail starts at Bear Lake and climbs steadily but never gets brutal. Footing turns rocky above Dream Lake, so decent shoes help. This is a great first real hike for visitors getting used to the altitude. We break down the whole route in our Emerald Lake trail guide. New to hiking at 10,000 feet? Skim our Colorado hiking beginners guide first.

Cub Lake Loop

Distance: 6 miles loop | Elevation Gain: 760 ft | Difficulty: Moderate

Cub Lake is the quieter side of the park, and the loop through Moraine Park shows off a different kind of scenery than the high alpine lakes. The trail crosses wet meadows where elk graze at dawn and dusk, climbs to a lily-covered lake, and returns through a section that burned in the 2012 Fern Lake Fire, now growing back green.

Start from the Cub Lake trailhead in Moraine Park and hike the loop counterclockwise to save the gentler grade for the end. The meadows here are prime wildlife spots, so bring binoculars and keep your distance from the elk. This one stays cooler and less crowded than the Bear Lake corridor even on busy weekends.

Gem Lake

Distance: 3.1 miles round trip | Elevation Gain: 1,000 ft | Difficulty: Moderate

Gem Lake sits in the Lumpy Ridge area north of Estes Park, and it's a completely different flavor of hike. There's no glacier-carved bowl here, just weird rounded granite formations, a tiny sand-rimmed pond with no inlet or outlet, and big views back over the Estes Valley. The lake is small enough to feel like a secret when you crest the final rise.

The trail climbs steadily through rock gardens and a few sets of stone steps, so it earns its moderate rating despite the short distance. Park at the Lumpy Ridge trailhead, which sits outside the main park boundary and does not require a timed entry permit. That makes Gem Lake a smart pick when you strike out on reservations.

Deer Mountain

Distance: 6 miles round trip | Elevation Gain: 1,210 ft | Difficulty: Moderate

Deer Mountain gives you a true summit without any exposure or scrambling, which makes it a favorite for hikers who want the top-of-the-world feeling on their first Colorado trip. The 10,013-foot summit looks straight across at the high peaks along the Continental Divide, with Longs Peak anchoring the skyline to the south.

The trailhead sits at Deer Ridge Junction where Highway 34 meets Highway 36. The trail switchbacks up through open forest, then finishes with a short spur to the rocky summit. It's exposed near the top, so watch the weather and turn around if clouds build. A pair of trekking poles takes the sting out of the descent.

The Loch

Distance: 5.4 miles round trip | Elevation Gain: 1,000 ft | Difficulty: Moderate

The Loch is one of the prettiest lakes in the park you can reach without a scramble, and it doubles as the halfway point on the way to Sky Pond. From the Glacier Gorge trailhead you pass Alberta Falls, climb a series of well-built switchbacks, and arrive at a long alpine lake ringed by pines with the Cathedral Spires rising behind it.

Plenty of hikers make The Loch their turnaround for a satisfying half-day trip. The lakeshore has flat rocks that beg for a lunch break, and the reflections in the morning are worth the early start. If you want to keep going, the trail continues up toward Sky Pond, which is where this hike gets serious.

Mills Lake

Distance: 5.3 miles round trip | Elevation Gain: 750 ft | Difficulty: Moderate

Mills Lake sits in Glacier Gorge with a straight-on view of Longs Peak and the surrounding walls, and it might be the best scenery-to-effort ratio in the whole park. The trail shares the first stretch with the Loch and Sky Pond routes, then branches left and rolls over granite slabs to the lakeshore.

Because the grade is gentle and the distance is manageable, Mills Lake works well for hikers who want a big alpine view without a hard climb. Late afternoon light on Longs Peak from the lake is stunning. The slabs near the water can be slick when wet, so watch your footing after a rain and pack a rain shell for the afternoon storms.

Ouzel Falls

Distance: 5.4 miles round trip | Elevation Gain: 950 ft | Difficulty: Moderate

Ouzel Falls is the star of Wild Basin, the park's southeast corner, and the hike there strings together three waterfalls. You pass Copeland Falls in the first mile, reach the cascading Calypso Cascades at the halfway mark, and finish at Ouzel Falls, a 40-foot drop named for the water-loving bird that darts through the spray.

Wild Basin has its own entrance off Highway 7 south of Estes Park, and its dirt access road and small lot keep the crowds thinner than the Bear Lake side. The forest here is thick and shaded, a nice change on a hot day. Sturdy footing helps on the rooty, rocky sections near the falls.