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Hiking trails & Routes
United States
Colorado
Adams County

Lake Ladora and Lake Mary Loop

Easy

3.4

(3)

37

hikers

Lake Ladora and Lake Mary Loop

01:12

4.78km

10m

Hiking

Hike the easy 3.0-mile Lake Ladora and Lake Mary Loop in Rocky Mountain Arsenal National Wildlife Refuge, perfect for wildlife viewing.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Rocky Mountain Arsenal National Wildlife Refuge

Waypoints

A

Start point

Parking

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1

2.09 km

Wildlife Viewing at Rocky Mountain Arsenal National Wildlife Refuge

Highlight • Natural

Open sunrise to sunset, no admission fee.

Tip by

B

4.78 km

End point

Parking

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Way Types & Surfaces

Way Types

1.81 km

1.04 km

1.03 km

520 m

373 m

Surfaces

1.87 km

1.03 km

908 m

787 m

< 100 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

Powered by Foreca

Today

Saturday 5 September

33°C

18°C

15 %

Additional weather tips

Max wind speed: 21.0 km/h

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Frequently Asked Questions

Is the Lake Ladora and Lake Mary Loop suitable for beginners or families?

Yes, this loop is generally considered easy to easy to moderate, making it a great option for beginners and families. The paths are mostly accessible with minimal elevation gain, and it's a popular choice for all skill levels.

How long does it typically take to hike this loop?

The Komoot data suggests an average duration of about 1 hour and 12 minutes for the full loop. Most hikers can complete it in under two hours, depending on their pace and how often they stop for wildlife viewing.

What kind of terrain can I expect on the trail?

The loop offers diverse terrain, including mixed grass prairie, dirt roads, single tracks, and some paved sections. A unique feature is the extensive boardwalks and piers that stretch over Lake Mary, providing excellent views of the water and marshy areas.

What wildlife might I see along the route?

The Rocky Mountain Arsenal National Wildlife Refuge is home to an impressive 330 species of wildlife. Keep an eye out for bison, deer (mule and white-tailed), raptors, various songbirds and waterfowl, prairie dogs, and coyotes. The boardwalks are also great for spotting water insects like dragonflies.

What are the notable features or viewpoints along the way?

Beyond the abundant wildlife, the trail offers scenic views of both Lake Ladora and Lake Mary, with distant mountains providing a picturesque backdrop. The boardwalks over Lake Mary are a highlight, offering unique perspectives. You can also visit the Wildlife Viewing at Rocky Mountain Arsenal National Wildlife Refuge point of interest.

Where can I park to access the trailhead?

The trail is located within the Rocky Mountain Arsenal National Wildlife Refuge. There are designated parking areas within the refuge that provide access to the various trailheads, including the starting point for the Lake Ladora and Lake Mary Loop. Follow signage within the refuge for parking.

Are there any permits or entrance fees required for the refuge?

No, the Rocky Mountain Arsenal National Wildlife Refuge is free to visit. You do not need a permit or to pay an entrance fee to access the trails, including the Lake Ladora and Lake Mary Loop.

Is the Lake Ladora and Lake Mary Loop dog-friendly?

No, dogs are generally not permitted on the trails within the Rocky Mountain Arsenal National Wildlife Refuge, including the Lake Ladora and Lake Mary Loop. This regulation helps protect the diverse wildlife in the refuge.

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

While the refuge is open year-round from sunrise to sunset, many suggest the trail is best enjoyed from March to October. This period offers pleasant weather and increased opportunities for wildlife viewing. Winter conditions can vary, so check local forecasts if planning a visit outside these months.

Does the trail intersect other well-known paths?

Yes, the route also passes through sections of the Denver Orbital Trail, Denver Orbital Trail - Segment 18, Rocky Mountain Greenway Trail, Ladora Loop, Woodland Trail, and Lake Mary Loop.

What are the operating hours for the Rocky Mountain Arsenal National Wildlife Refuge?

The refuge, and consequently the Lake Ladora and Lake Mary Loop, is open from sunrise to sunset year-round. Always plan your hike to ensure you exit the refuge before closing.

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