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Routes
Hiking trails & Routes
United States
Colorado
Adams County

Mann-Nyholt Lake Loop

Easy

2.6

(9)

55

hikers

Mann-Nyholt Lake Loop

00:39

2.59km

0m

Hiking

Embark on an easy hike around the Mann-Nyholt Lake Loop, a pleasant route that winds through prairie and wetlands. As you walk, you will enjoy excellent views of the Front Range, with prominent peaks like Longs Peak and Mt. Evans often visible on clear days. The lakes are a central…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

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B

2.59 km

End point

Parking

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Way Types & Surfaces

Way Types

1.65 km

854 m

< 100 m

Surfaces

995 m

541 m

536 m

487 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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Friday 15 May

30°C

12°C

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the Mann-Nyholt Lake Loop?

Parking is available at the Adams County Fairgrounds, which is adjacent to the Mann-Nyholt Lakes area. This provides convenient access to the trail system.

Is the Mann-Nyholt Lake Loop suitable for beginners or families with children?

Yes, this trail is rated as easy and is generally flat and accessible, making it a great option for beginners, families, and casual walkers. The park setting is well-suited for various recreational activities.

Are dogs allowed on the trail?

Yes, dogs are generally welcome in Adams County Regional Park. However, please ensure your dog is kept on a leash at all times and that you clean up after them to maintain a pleasant environment for all visitors.

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

The Mann-Nyholt Lake Loop can be enjoyed year-round. Spring and fall offer pleasant temperatures, while summer can be warm but still enjoyable. Winter hiking is possible, but be prepared for potentially icy conditions. Given its popularity, visiting during off-peak hours might offer a quieter experience.

Do I need a permit or is there an entrance fee for Riverdale Regional Park?

There are no specific permits required for hiking the Mann-Nyholt Lake Loop, and there is no entrance fee to access Riverdale Regional Park where the lakes are located. You can find more information about park regulations on the Adams County website.

What is the terrain like around the lakes?

The terrain primarily consists of prairie and wetlands, with well-maintained paths alongside the lakes. It's generally flat and easy to navigate, offering a comfortable walking or biking experience.

What kind of views can I expect along the route?

Despite its urban proximity, the loop offers excellent views of the Front Range, including prominent peaks like Longs Peak and Mt. Evans on clear days. You'll also enjoy scenic views of the lakes and surrounding natural areas.

Does the trail connect to other well-known paths?

Yes, the route passes through sections of the South Platte River Trail, the ADT - Colorado A - O - Seg 3, the Colorado Front Range Trail, and the South Platte River Trail Connector, offering opportunities to extend your outing.

Is fishing allowed in Mann-Nyholt Lakes?

Yes, the lakes are regularly stocked by Colorado Parks and Wildlife, making them a popular spot for fishing. Common species include rainbow trout, largemouth bass, bluegill, and catfish.

How long does it typically take to complete the loop?

The Mann-Nyholt Lake Loop is approximately 2.6 kilometers (1.6 miles) long. For an average hiker, it typically takes around 40 minutes to complete, depending on your pace and how often you stop to enjoy the scenery.

What amenities are available near the trail?

Being close to the Adams County Fairgrounds and the Denver metropolitan area, you'll find various amenities nearby, including restrooms, picnic areas, and connections to other recreational facilities within the broader Adams County Regional Park system.

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