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Hiking trails & Routes
United States
Colorado
Larimer County

Flattop Mountain Trail

Moderate

4.9

(9501)

9,557

hikers

Flattop Mountain Trail

02:17

7.00km

0m

Hiking

Embark on the Flattop Mountain Trail, a moderate hiking route that offers varied terrain and rewarding views. You will navigate well-maintained paths through alpine meadows before transitioning to rockier sections as you ascend. Despite the official 0 feet (0 metres) of elevation gain, the trail's uneven nature can make it…

Last updated: April 23, 2026

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Waypoints

A

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1

8 m

Flattop Mountain

Highlight • Summit

Few people hear about the Flattop wilderness area. It is a little-frequented place that keeps its very wild atmosphere.

The Flattop mountain is one of the places that I recommend …

Tip by

2.13 km

Emerald Lake Overlook

Viewpoint

4.13 km

Dream Lake Overlook

Viewpoint

4

6.67 km

Bear Lake

Highlight • Lake

Bear Lake is a very popular place because – in addition to its beauty – it is very easily accessible. A path leads all around this glacial lake.

Tip by

5

6.77 km

Rocky Mountain National Park

Highlight • Natural Monument

Truly one of the most beautiful national parks. Note: Reservations are required in many seasons.

Translated by Google •

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B

7.00 km

End point

Parking

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Way Types & Surfaces

Way Types

6.34 km

540 m

121 m

Surfaces

6.81 km

124 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Today

Sunday 10 May

5°C

-7°C

0 %

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Frequently Asked Questions

Where does the Flattop Mountain Trail start, and what are the parking options?

The trail begins at the Glen Alps trailhead, located just east of Anchorage, Alaska. This trailhead offers amenities such as parking, restrooms, and picnic areas. A shuttle service is also available from downtown Anchorage to the trailhead, typically operating from mid-May to mid-November.

What is the terrain like on the Flattop Mountain Trail?

The trail starts with a moderate incline through alpine meadows and gravel paths. As you ascend, it becomes steeper and rockier, traversing areas like Blueberry Hill. The final push to the summit involves navigating talus fields, requiring scrambling over loose rocks and boulders. Even in warmer months, expect potential snow or ice, and the summit can be windy and cold.

What is the best time of year to hike this trail?

The trail is popular throughout the warmer months, with alpine meadows full of wildflowers. Later in the year, it's a great spot for berry picking. It's also a prime location for watching sunsets and the northern lights. While possible, winter hiking requires specialized gear and experience due to snow and ice.

Is the Flattop Mountain Trail suitable for beginners?

The trail is generally rated as moderate to difficult. While the initial sections are manageable, the final ascent to the summit is particularly challenging due to steep grades and rock scrambling. For a less intense experience, there are easier loop trails at lower elevations and a short, paved, wheelchair-accessible path from the parking lot offering scenic views without the strenuous climb.

Are dogs allowed on the Flattop Mountain Trail?

As this trail is located within Rocky Mountain National Park, dogs are generally not permitted on hiking trails. They are typically allowed in developed areas, along roads, and in campgrounds, but must be on a leash no longer than six feet. Always check the latest park regulations before bringing your pet.

Do I need a permit or pay an entrance fee for this trail?

Yes, as the Flattop Mountain Trail is located in Rocky Mountain National Park, an entrance fee is required to access the park. Additionally, during peak season (typically late May through mid-October), a timed entry permit may be necessary to enter certain areas of the park, including the Bear Lake Road corridor which provides access to this trailhead. It's advisable to check the official Rocky Mountain National Park website for current fee and permit requirements.

What kind of views can I expect from the summit?

From the summit, you'll be rewarded with breathtaking 360-degree panoramic views. These include Anchorage, Cook Inlet, and the surrounding Chugach Mountains. On clear days, you might even spot distant peaks like the Alaska Range, Denali, Mount Foraker, and Mount Spurr.

Does the trail intersect other well-known paths?

Yes, the route also passes through sections of the Flat Top Mountain Trail, Bear Lake Trail, Emerald Lake Trail, and the Fern Lake Trail.

What should I pack for a hike on Flattop Mountain Trail?

Given the varying terrain and potential for sudden weather changes, it's wise to pack layers of clothing, sturdy hiking boots with good ankle support, plenty of water, snacks, and sun protection. A map and compass or GPS device are also recommended, especially as the trail can be challenging to follow in places. Trekking poles can be very helpful for the steep and rocky sections.

Is there an insider tip for hiking Flattop Mountain Trail?

Due to its popularity and challenging final ascent, many hikers choose to turn around at the saddle before the summit. If you're aiming for the peak, look for paint markings on the rocks to guide you through the talus fields. For a less crowded experience and better parking, consider starting your hike early in the morning.

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