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Routes
Bike touring routes & trails
United States
Montana
Jefferson County
Clancy

Great Divide - Park Lake Loop

Hard

4.9

(8527)

12,289

riders

Great Divide - Park Lake Loop

04:43

48.2km

840m

Cycling

Cycle the difficult 30.0-mile Great Divide - Park Lake Loop, gaining 2741 feet of elevation through remote Montana wilderness.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Helena-Lewis and Clark National Forest

Waypoints

A

Start point

Parking

Get Directions

1

13.6 km

Coral Gulch Road

Highlight (Segment) • Trail

Coral Gulch Road follows the valley up a gentle slope towards Park Lake. Much of the road is in good condition and is a treat to ride. The views of the surrounding mountains and meadows will stick with you.

Tip by

2

22.0 km

Park Lake and Campground

Highlight • Lake

Park Lake is most easily accessible from Clancy via Lump Gulch Road. Once you get here it worth staying at the campground in order to explore more of the are …

Tip by

3

28.4 km

Quartz Creek North Fork Road

Highlight (Segment) • Trail

This remote road skirts between Lava Mountain and Park Lake. It can be rutted and rocky in some places, and get muddy after a storm, but that's what makes it fun.

Tip by

B

48.2 km

End point

Parking

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Way Types & Surfaces

Way Types

41.8 km

4.55 km

1.89 km

Surfaces

41.5 km

4.98 km

1.83 km

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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 (2,020 m)

Lowest point (1,290 m)

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Weather

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Friday 22 May

17°C

0°C

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to cycle the Great Divide - Park Lake Loop?

The komoot tour data suggests this specific loop, which is a segment of the larger Great Divide Mountain Bike Route, takes approximately 4 hours and 43 minutes of cycling time. However, due to its difficult rating and significant elevation changes, planning for a full day or even an overnight stay at Park Lake and Campground is advisable, especially if you plan to enjoy the scenery.

Is this section of the Great Divide Mountain Bike Route suitable for beginners?

No, this route is rated as 'difficult' and is not recommended for beginners. The terrain includes challenging dirt and gravel roads, with some technical singletrack sections that may require 'hike-a-bike'. It's part of the Great Divide Mountain Bike Route, known for its demanding nature and significant elevation gains.

What is the terrain like on the Great Divide - Park Lake Loop?

The terrain is primarily off-pavement, consisting of well-traveled dirt roads and gravel. You'll also encounter more technical singletrack climbs, some of which may necessitate pushing your bike. Expect significant elevation changes, including substantial climbs and descents, particularly when crossing the Continental Divide.

What kind of scenery and wildlife can I expect along this route?

You'll experience spectacular and remote wilderness scenery, including mountain valleys, a beautiful highland area, and the picturesque Park Lake. The area is part of the diverse American West, offering views of rugged peaks and vast natural landscapes. As for wildlife, the remote nature of the Great Divide means you might spot various animals native to Montana's wilderness.

What notable features or highlights will I encounter on this route?

Key highlights include the scenic Park Lake and Campground, which is a great spot for an overnight stop. You'll also ride along Coral Gulch Road and Quartz Creek North Fork Road, both offering remote and beautiful cycling experiences.

Does this route intersect with other trails?

Yes, this route is a segment of the much larger Great Divide Mountain Bike Route, which it follows for approximately 36% of its length. You will also briefly encounter Chessman Road.

Is the Great Divide - Park Lake Loop dog-friendly?

As this route is within the Helena-Lewis and Clark National Forest, dogs are generally allowed. However, they must be kept on a leash to protect wildlife and ensure the safety of other trail users. Always practice Leave No Trace principles and pack out all waste.

Do I need any permits or pay entrance fees for this section of the Great Divide?

Typically, there are no specific permits or entrance fees required for cycling on the general forest roads and trails within the Helena-Lewis and Clark National Forest where this route is located. However, if you plan to camp at developed sites like Park Lake Campground, standard camping fees will apply. Always check the latest regulations with the National Forest Service before your trip.

Are there places to resupply or find accommodation near the Park Lake section?

The Great Divide Mountain Bike Route is known for its remoteness, and this section is no exception. While Park Lake has a national forest campsite, towns with resupply options and accommodations are often far apart. The nearest towns like Basin or Helena will offer services, but plan your water and food carefully for the stretches in between.

What is the best time of year to cycle this part of the Great Divide?

The best time to cycle this route is typically from late spring through early fall (June to September). During these months, snow has usually melted from higher elevations, and the weather is generally more favorable. Always check local weather forecasts and trail conditions before heading out, as mountain weather can be unpredictable.

Where does the Great Divide - Park Lake Loop start, and is there parking available?

The komoot tour for the Great Divide - Park Lake Loop starts near Clancy, Montana. While specific trailhead parking details aren't provided, as a segment of the Great Divide Mountain Bike Route, you'll typically find parking opportunities at various access points or trailheads along the route. Given the remoteness, it's best to plan your starting point and parking in advance, possibly near a forest service road access point.

What should I bring for a bike tour on this challenging route?

Given the route's difficulty and remoteness, essential gear includes a well-maintained touring bicycle suitable for varied terrain, plenty of water and food, navigation tools (GPS, maps), repair kit, first-aid supplies, and appropriate clothing layers. For overnight stays, camping gear is necessary. Be prepared for self-sufficiency between resupply points.

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