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Boulder County
Gunbarrel

Twin Lakes Loop Trail

Easy

4

hikers

Twin Lakes Loop Trail

00:34

2.23km

0m

Hiking

The Twin Lakes Loop Trail offers a delightful, easy stroll around the scenic Davis Reservoirs, often known as Twin Lakes. You'll find yourself on well-maintained paths, enjoying the tranquil waterside views and perhaps spotting the iconic Flat Irons in the distance. This short loop is perfect for a quick nature fix, providing a refreshing escape without demanding much effort.

Planning your visit is straightforward for this family-friendly route. The trail is accessible year-round, though spring and autumn offer particularly pleasant conditions. Parking can be busy, so arriving earlier in the day is always a good idea to secure a spot. No special permits or fees are typically required for this popular local gem.

This trail is a fantastic option for beginners or families with young children, offering a gentle introduction to hiking in the Boulder County area. Its minimal 10 feet (3 metres) of elevation gain over 1.4 miles (2.2 km) means you can complete the loop in about 33 minutes, leaving plenty of time to explore nearby Gunbarrel or other attractions. It's a great way to enjoy the natural beauty of the area without committing to a longer, more strenuous hike.

Last updated: June 9, 2026

Waypoints

A

Start point

Get Directions

1

365 m

Flat Irons overlook

Highlight (Segment) • Viewpoint

The Flat Irons are a famous set of "mountains" reaching up the foothills of Boulder. Their jutting, rocky flanks are easy to spot from a pretty far away. From the eastern banks of Davis Reservoir Number 2, you will get a great view of the Flat Irons rising up behind the city.

Tip by

2

1.19 km

There is a cool wooden bridge here linking the two lakes together.

Tip by

B

2.23 km

End point

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Way Types & Surfaces

Way Types

2.17 km

< 100 m

Surfaces

2.15 km

< 100 m

< 100 m

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Elevation

Elevation

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Weather

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Thursday 2 July

32°C

16°C

-- %

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Frequently Asked Questions

How long does it typically take to complete the Twin Lakes Loop Trail?

This easy loop trail is approximately 2.2 kilometers (1.4 miles) long and generally takes about 30-40 minutes to complete at a leisurely pace, making it perfect for a quick outing.

Is the Twin Lakes Loop Trail suitable for beginners or families with children?

Yes, with its easy difficulty rating and minimal elevation gain, this trail is very suitable for beginners, families, and those looking for a relaxed walk. It's a great option for introducing kids to hiking.

What kind of terrain can I expect on the trail?

The trail meanders around the picturesque Davis Reservoirs (Twin Lakes), offering scenic waterside views. You can expect generally flat and well-maintained paths, suitable for a pleasant stroll.

What are the main points of interest along the route?

As you hike, you'll enjoy views of the Davis Reservoirs (Twin Lakes) themselves. There's also a Flat Irons overlook providing a scenic vista of the iconic Flatirons.

What wildlife and natural features can I expect to see?

The area around the Twin Lakes is a diverse habitat. You might spot various bird species, and the lakes themselves are a central feature. The surrounding landscape offers a mix of natural vegetation typical of the Twin Lakes Open Space.

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

The Twin Lakes Loop Trail is enjoyable year-round. Spring and summer offer lush greenery and potentially wildflowers, while fall brings beautiful foliage. Even in winter, it can be a pleasant walk, though conditions may vary.

Where can I park to access the Twin Lakes Loop Trail?

The trail is located within Twin Lakes Open Space. You can typically find parking available at designated areas within or adjacent to the open space. Check local signage for specific parking regulations.

Are there any permits or entrance fees required for the Twin Lakes Loop Trail or Twin Lakes Open Space?

For the Twin Lakes Loop Trail within Twin Lakes Open Space, there are generally no permits or entrance fees required for day use. However, it's always a good idea to check the official Twin Lakes Open Space website or local government resources for any updated regulations or specific activity permits.

Is the Twin Lakes Loop Trail dog-friendly?

Yes, the trail is generally dog-friendly. However, dogs must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all visitors. Please remember to clean up after your pet.

Does this trail connect with other paths?

Yes, the route also passes through sections of the Longmont-to-Boulder (LOBO) Regional Trail, Twin Lakes East, Twin Lakes Trail, and the Boulder Feeder Ditch Trail, offering opportunities to extend your hike if desired.

What should I bring for a hike on this loop?

Given its easy nature and short distance, you'll primarily need comfortable walking shoes, water, and sun protection. Binoculars can enhance your wildlife viewing, and a camera is great for capturing the scenic lake views.

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