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Routes
Mountain biking trails
United States
Washington
Skagit County
Anacortes

Jasper Way to Whistle Lake loop

Moderate

4.6

(6226)

6,227

riders

Jasper Way to Whistle Lake loop

02:05

20.6km

430m

Mountain biking

The Jasper Way to Whistle Lake loop offers a challenging mountain biking experience through the Anacortes Community Forest Lands. You'll ride through beautiful forested areas, past evergreen trees and mossy rocks, with the tranquil Whistle Lake providing a scenic backdrop. Expect a physically and technically demanding route, featuring significant climbing…

Last updated: June 9, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 12.5 km for 275 m

Waypoints

A

Start point

Get Directions

1

7.69 km

Easy Loop Trail Junction

Highlight • Trail

Mt. Erie is an amazing hike. Not too difficult but offers alot of great views of Lake Erie.

Tip by

2

11.3 km

Whistle Lake

Highlight • Lake

A magnet for thousands, the lake's idyllic backdrop and diverse trails lure hikers. Swim and fish in the serene waters, while cliffs beckon daring divers with heights up to 70 feet (ca. 21 m)!

Tip by

3

13.7 km

Little Round Top Trail

Highlight • Trail

This is less challenging then to the top of Mt. Eerie, but is well worth the trip.

Tip by

B

20.6 km

End point

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Way Types & Surfaces

Way Types

14.0 km

6.60 km

Surfaces

10.7 km

9.73 km

146 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

Wednesday 8 July

19°C

12°C

15 %

Additional weather tips

Max wind speed: 17.0 km/h

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Frequently Asked Questions

Where can I park to access the Jasper Way to Whistle Lake loop?

While the Jasper Way itself serves as an access point, the Anacortes Community Forest Lands (ACFL) has multiple parking areas. For specific parking information and regulations within the ACFL, it's best to check the official Anacortes city website or local signage upon arrival. Given the extensive trail network, you might find various entry points depending on your preferred starting location.

How challenging is mountain biking the Jasper Way to Whistle Lake loop?

This loop is considered physically and technically challenging, making it unsuitable for beginners. The Whistle Lake area, where this route is located, features trails rated intermediate to black diamond. Expect significant climbing, technical sections with roots and rocks, and steep ascents and descents that require good bike handling skills.

What kind of terrain will I encounter on this mountain bike loop?

You'll experience a diverse and demanding terrain. The trails feature a mix of 'loamy buff' sections, significant roots and rocks, tight rock gardens, and steep switchbacks. Some parts may even require 'hike-a-bike' where you'll need to push your bike. The singletracks are generally narrow, twisty, and well-built.

What natural features and viewpoints will I encounter along the way?

The route offers stunning natural beauty within dense evergreen forests, meadows, and wetlands. You'll pass by the Whistle Lake, which is described as astoundingly beautiful. From various points, you can also catch great views of the San Juan Islands.

Is the Jasper Way to Whistle Lake loop dog-friendly?

Yes, the Anacortes Community Forest Lands generally permit dogs. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all trail users. Please remember to pack out any waste.

Do I need a permit or pay an entrance fee to mountain bike in the Anacortes Community Forest Lands?

Typically, there are no permits or entrance fees required for day use of the Anacortes Community Forest Lands. However, it's always a good idea to check the official Anacortes city website for the most current regulations before your visit, as policies can change.

What is the best time of year to mountain bike this loop?

The Anacortes Community Forest Lands are beautiful year-round. However, for mountain biking, spring and fall generally offer the most pleasant conditions with cooler temperatures and less chance of extreme weather. Summer can be great, but be prepared for warmer days. Winter riding is possible but trails might be wet and muddy.

Does this route intersect with other trails?

Yes, the Jasper Way to Whistle Lake loop is part of the extensive Anacortes Community Forest Lands network. Along this route, you'll intersect with sections of several official trails, including the Pacific Northwest Trail 03 Washington, 97 (Washington), 21, Kenny Oaks Trail (204), and 205, among many others. It's highly recommended to carry a detailed map for navigation due to the numerous junctions.

How long does it typically take to complete this mountain bike loop?

The Jasper Way to Whistle Lake loop is approximately 20.5 kilometers (12.7 miles) long with 433 meters (1,420 feet) of elevation gain. Given its moderate difficulty and technical terrain, it typically takes around 2 hours and 4 minutes to complete for an experienced mountain biker. Your actual time may vary based on your skill level and how often you stop to enjoy the scenery.

Are there any specific highlights or points of interest along the route?

Beyond the beautiful Whistle Lake itself, you'll pass by the Easy Loop Trail Junction and traverse sections of the Little Round Top Trail. The entire area is known for its 'killer scenery' and abundant wildlife, offering a high-quality outdoor experience.

Is this loop suitable for families with children?

Due to its physically and technically challenging nature, with sections rated intermediate to black diamond, this specific loop is generally not recommended for families with young children or beginner mountain bikers. The significant climbs and technical terrain require a good level of experience and skill.

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