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Routes
Running trails & routes
United States
Colorado
San Juan County

Ice Lakes Trail

Hard

3.0

(28)

92

runners

Ice Lakes Trail

01:50

10.7km

750m

Running

Prepare for a challenging jogging experience on the Ice Lakes Trail, a difficult 6.7 miles (10.7 km) route that climbs 2447 feet (746 metres). You can expect to complete this journey in about 1 hour and 49 minutes, navigating through diverse terrain in the San Juan National Forest. The trail leads you through subalpine forests and expansive meadows, eventually revealing the stunning, deep blue waters of Ice Lake and Island Lake. These pristine lakes are set against a dramatic backdrop of towering 13,000-foot peaks. During summer, especially from mid-July to early August, the meadows burst with vibrant wildflowers, adding to the spectacular scenery as you jog. Be ready for rocky sections and potential stream crossings along the way.

The trailhead for this route begins at nearly 10,000 feet, with Ice Lake itself situated around 12,260 feet. If you are not accustomed to high altitudes, it is highly recommended that you acclimatize before attempting this jog. The Ice Lakes Trail is very popular, especially between July 4th and Labor Day, so plan your visit to avoid peak crowds if you prefer a quieter experience. Consider starting early in the morning to secure parking and enjoy the cooler temperatures.

This trail is a prime example of the rugged beauty found within the San Juan National Forest. The significant elevation gain and high altitude environment make it a notable challenge, attracting experienced joggers seeking a rewarding workout. The dramatic geological formations and the unique ecosystem of the subalpine zone contribute to the area's distinct character. It stands out as a premier destination for those looking to combine a strenuous jog with breathtaking natural landscapes in Colorado.

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

San Juan National Forest

Waypoints

A

Start point

Parking

Get Directions

1

79 m

Ice Lake Trailhead

Highlight • Trail

Here starts the 3.79 miles long trail to the Ice Lakes. There are about 800 meters to overcome.

Tip by

2

5.25 km

Ice Lake

Highlight • Lake

Ice Lake is a stunning alpine lake that is perfect for a break. You are surrounded by the majestic peaks of Golden Horn, Pilot Knob and Ulysses S Grant Peak. The best time to visit this high alpine lake is from July through August, but in a high snow year, bring winter gear even in summer.

Tip by

B

10.7 km

End point

Parking

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Way Types & Surfaces

Way Types

10.0 km

551 m

< 100 m

< 100 m

Surfaces

9.68 km

567 m

422 m

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Elevation

Elevation

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Sunday 17 May

8°C

-1°C

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Frequently Asked Questions

Where is the trailhead for Ice Lakes Trail and what are the parking options?

The trailhead for the Ice Lakes Trail is located near Silverton, Colorado, within the San Juan National Forest. Parking is available at the Ice Lake Trailhead. Due to the trail's popularity, especially from July 4th through Labor Day, parking fills up very quickly. It's highly recommended to arrive early in the morning to secure a spot.

Is Ice Lakes Trail dog-friendly?

Yes, the Ice Lakes Trail is generally dog-friendly. However, as it's located within the San Juan National Forest, dogs must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all visitors. Please remember to pack out all pet waste.

What is the best time of year to jog the Ice Lakes Trail?

The best time to jog the Ice Lakes Trail is typically from mid-July to early August. During this period, the alpine meadows are bursting with vibrant wildflowers, and the weather is generally most favorable. However, this is also the peak season, so expect crowds. Be prepared for high-altitude conditions and potential afternoon thunderstorms, even in summer.

Are there any permits or fees required to access the Ice Lakes Trail?

No, there are no specific permits or entrance fees required to jog the Ice Lakes Trail itself, as it is located within the San Juan National Forest. However, always check the official USDA Forest Service website for any updated regulations or fire restrictions before your visit.

What is the terrain like on the Ice Lakes Trail?

The terrain on this trail is quite varied and challenging. You'll start through a subalpine forest with moderate switchbacks, transitioning to rocky sections as you gain elevation. There are several stream crossings, which can be wet, especially during high water. The upper basins feature expansive meadows, but the final ascent to Ice Lake involves steep, rocky climbs. The trail is generally well-marked, but some sections, particularly around Island Lake, can be less defined.

What can I see along the route?

The Ice Lakes Trail offers spectacular scenery. You'll encounter multiple waterfalls, especially in the lower sections. During summer, the meadows are filled with vibrant wildflowers. The main attractions are the stunning, cerulean waters of Ice Lake and Island Lake, set against a backdrop of towering 13,000-foot peaks like US Grant Peak and Fuller Peak.

Is the Ice Lakes Trail suitable for beginner joggers?

No, the Ice Lakes Trail is rated as difficult and is not suitable for beginner joggers. It features a significant elevation gain of over 2,500 feet over approximately 4 miles one-way to Ice Lake, with the steepest sections near the top. The high altitude (trailhead at nearly 10,000 feet, Ice Lake at 12,260 feet) also adds to the challenge. It's best for experienced joggers with good fitness levels and proper acclimatization.

Does the trail intersect other well-known paths?

Yes, the route primarily follows the Ice Lakes Trail for its entirety. However, it also includes sections of the Island Lake Trail, and briefly touches Clear Lake Road and South Mineral Road near the trailhead.

What should I bring for a jog on the Ice Lakes Trail?

Given the trail's difficulty and high-alpine environment, you should bring plenty of water, high-energy snacks, layers of clothing (including rain gear, even on sunny days), sturdy jogging shoes with good ankle support, sunscreen, a hat, and sunglasses. Trekking poles can be very helpful for the steep ascents and descents. Don't forget a map or GPS device, as cell service can be unreliable.

How can I avoid crowds on the Ice Lakes Trail?

To best avoid the crowds, especially during the peak season from July to August, plan to start your jog very early in the morning, ideally before 7:00 AM. Visiting on a weekday rather than a weekend can also significantly reduce the number of people you encounter on the trail. Alternatively, consider visiting in late September or early October for fall colors, though be prepared for colder temperatures and potential early snow.

What is the typical duration for jogging the Ice Lakes Trail?

For an experienced jogger, the 10.7 km (6.6 miles) round trip to Ice Lake and back, with its significant elevation gain, typically takes around 1 hour and 49 minutes of moving time. However, allow ample additional time for breaks, photography, and enjoying the stunning scenery, especially if you extend your trip to Island Lake.

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