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Running trails & routes
United States
Colorado
Boulder County

Walden and Sawhill Ponds Loop

Moderate

5.0

(7578)

13,720

runners

Walden and Sawhill Ponds Loop

00:35

5.30km

10m

Running

Jog the 3.3-mile Walden and Sawhill Ponds Loop, a moderate trail offering wildlife spotting and scenic pond views near Boulder.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

148 m

Walden Ponds Wildlife Habitat

Highlight • Lake

The wetland ecosystem found at Walden Ponds Wildlife Habitat was actually the site of industrial gravel pits not too long ago. The county worked hard to turn this riparian environment back into what it once was.

Tip by

2

1.89 km

The Sawhill Ponds Wildlife Preserve offers access to a dozen pools of water, trails, picnic areas, restrooms, and plentiful parking. This is a great place to find a sense of nature without getting too far from the city.

Tip by

B

5.30 km

End point

Parking

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Way Types & Surfaces

Way Types

2.97 km

1.19 km

567 m

556 m

Surfaces

2.05 km

1.69 km

740 m

567 m

238 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

Thursday 9 July

28°C

16°C

83 %

Additional weather tips

Max wind speed: 21.0 km/h

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Frequently Asked Questions

Where can I park for the Walden and Sawhill Ponds Loop?

Parking is available at the trailheads for both the Walden Ponds Wildlife Habitat and the Sawhill Ponds Wildlife Preserve. You'll find basic amenities like restrooms and picnic facilities at these locations.

Are there any entrance fees or permits required for this loop?

No, there are no entrance fees or permits required to access the trails within the Walden Ponds Wildlife Habitat or Sawhill Ponds Wildlife Preserve. It's free to enjoy.

Is the Walden and Sawhill Ponds Loop dog-friendly?

Yes, dogs are permitted on the trails. However, they must be kept on a leash at all times to protect the local wildlife and ensure a pleasant experience for all visitors.

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

The loop is enjoyable year-round. However, it's particularly excellent for birdwatching between fall and spring when many migratory birds are present. For jogging, spring and fall offer pleasant temperatures, while summer mornings are also ideal. Be prepared for potential icy or snow-packed sections in winter.

Is this trail suitable for beginner joggers?

Absolutely. The loop is considered easy with virtually no elevation gain, making it very suitable for beginner joggers or those looking for a leisurely run. The flat terrain and wide paths provide a comfortable experience.

What kind of terrain can I expect on the loop?

The trails primarily consist of soft crushed gravel and wide paths. You'll also encounter flat dirt roads and a boardwalk section through a marsh. There's a small cement section that can occasionally be submerged. In winter, some parts, especially in the Sawhill Ponds section, can become icy or snow-packed.

What kind of wildlife can I see along the Walden and Sawhill Ponds Loop?

This area is a haven for wildlife, especially birds. You can expect to see various dabbling and diving ducks, shorebirds, and birds of prey. Other creatures like garter snakes, frogs, and turtles are also common. Bird blinds are available for enhanced viewing opportunities.

How are the trail conditions during winter?

During winter, especially after snowfall, some parts of the trail, particularly in the Sawhill Ponds section, can become icy or snow-packed. Joggers may need to navigate around slippery areas. Always check local conditions before heading out.

What are the main points of interest along the route?

The loop offers picturesque views of numerous ponds and wetlands. Key highlights include the Walden Ponds Wildlife Habitat and the Sawhill Ponds Wildlife Preserve, both known for their abundant birdlife and serene reflections of the surrounding landscape. Bird blinds are also available for wildlife observation.

Does the loop connect with other trails?

Yes, the route incorporates sections of several official trails, including Sawhill Ponds, Walden Ponds, and Birdsong Trail, allowing for varied experiences within the habitat.

Is the trail accessible for everyone?

Yes, parts of the trail, including boardwalks, are wheelchair-accessible, enhancing its inclusivity and making it enjoyable for a wider range of visitors.

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