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Routes
Hiking trails & Routes
United States
Colorado
Boulder County
Eldorado Springs

Rattlesnake Gulch Loop

Easy

3.5

(25)

29

hikers

Rattlesnake Gulch Loop

01:49

5.37km

280m

Hiking

Embark on the Rattlesnake Gulch Loop for an easy hike that promises consistent uphill climbs and rewarding vistas. This 3.3-mile (5.4 km) route gains 919 feet (280 metres) in elevation, taking you about 1 hour and 49 minutes to complete. As you ascend, you'll navigate a generally steep path with…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Waypoints

A

Ruins of the Crags Hotel

Highlight • Historical Site

The Crags Hotel, also known as the Crags Mountain Resort, was built in 1908 at the top of the canyon. The hotel was a very popular destination.

There were 3 …

Tip by

1

2.01 km

Wear good boots. Lots of golf ball- sized ball bearings loose rock, but 2 1/2 seasons of the year there are a fair number of small rattlers and they aim …

Tip by

2

3.05 km

Rattlesnake Gulch Trail

Highlight • Trail

In the Eldorado Canyon, this path offers you absolutely superb views of the canyon, and other part of the state park.

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B

5.37 km

Continental Divide Overlook

Highlight • Viewpoint

The Rattlesnake Gulch Trail dead ends at this overlook situated over South Boulder Creek and Eldorado Springs and overlooking South Boulder Peak. There are a few different overlooks on the Rattlesnake Gulch Trail.

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Way Types & Surfaces

Way Types

5.37 km

Surfaces

5.31 km

< 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.

Highest point (2,150 m)

Lowest point (1,870 m)

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Weather

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Today

Friday 8 May

19°C

3°C

7 %

Additional weather tips

Max wind speed: 14.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park for the Rattlesnake Gulch Loop trail?

The Rattlesnake Gulch Loop is located within Eldorado Canyon State Park. Parking is available at the park's main entrance. Due to its popularity, especially on weekends, arriving early is highly recommended to secure a spot. Check the official Colorado State Parks website for any specific parking regulations or shuttle information.

Are there any fees or permits required to hike the Rattlesnake Gulch Loop?

Yes, as the trail is located within Eldorado Canyon State Park, a valid Colorado State Parks pass or daily entrance fee is required. You can find current fee information on the Colorado Parks & Wildlife website. No additional hiking permits are typically needed for this specific trail.

Is the Rattlesnake Gulch Loop dog-friendly?

Yes, the Rattlesnake Gulch Loop is a dog-friendly trail within Eldorado Canyon State Park. Dogs must be kept on a leash at all times to protect wildlife and ensure the safety of other hikers.

What is the best time of year to hike the Rattlesnake Gulch Loop?

The trail offers beautiful scenery year-round. Spring and fall provide pleasant temperatures and vibrant foliage. Summer can be hot, so an early start is advisable. For winter hiking, be prepared for potentially icy and vertiginous conditions, making crampons and trekking poles highly recommended.

What is the terrain like on the Rattlesnake Gulch Loop?

The terrain features a generally steep path with switchbacks ascending the canyon. While mostly well-maintained, it can be rocky in places. You'll traverse areas with ponderosa pines, mixed forests, and open stretches, offering varied scenery.

What are the main points of interest along the route?

The loop offers several notable features. You'll pass the historic Ruins of the Crags Hotel, with interpretive signs detailing its past. A major highlight is the Continental Divide Overlook, providing grand panoramic views of the Front Range peaks and the distant Continental Divide. You'll also experience the dramatic cliff faces of Eldorado Canyon and the Start of the Colorado Flat Irons range.

Is the Rattlesnake Gulch Loop suitable for beginners?

While generally considered moderately difficult, the trail involves a consistent uphill climb with significant elevation gain. Beginners with a reasonable level of fitness can complete it, especially if they take breaks to enjoy the views. It's a rewarding challenge for those new to hiking.

Does the trail intersect other well-known paths?

Yes, the route primarily follows the RattleSnake Gulch Trail, which makes up 100% of the route. Other sections also utilize the RattleSnake Gulch Trail for 86%, 75%, 32%, and 23% of their respective lengths, indicating it's a well-defined and singular path within the park.

What should I bring for a hike on this trail?

Given the consistent uphill climb and varied terrain, bring plenty of water, sturdy hiking shoes, and sun protection. Depending on the season, layers of clothing are advisable. For winter hikes, crampons and trekking poles are highly recommended due to potential ice.

Are there any specific strategies for hiking the Rattlesnake Gulch Loop?

The trail is often described as a 'lollipop loop' with a spur option to the Continental Divide Overlook. This design allows for some flexibility in distance. Many hikers find taking breaks to appreciate the stunning views makes the consistent uphill climb more enjoyable. Arriving early, especially on busy days, helps secure parking and avoid crowds.

Can I find food or amenities near the trailhead?

The trail is located within Eldorado Canyon State Park, which has basic facilities. For more extensive amenities like cafes, restaurants, or accommodation, you'll find options in the nearby towns of Eldorado Springs, Boulder, or Denver, all within a reasonable driving distance.

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