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Routes
Hiking trails & Routes
Whatcom County

Y Road Trail to Stewart Mountain

Routes
Hiking trails & Routes
Whatcom County

Y Road Trail to Stewart Mountain

Moderate

1

hikers

Y Road Trail to Stewart Mountain

04:09

11.4km

720m

Hiking

Hike the Y Road Trail to Stewart Mountain for a moderate 7.1-mile climb with panoramic views of Lake Whatcom and Mount Baker.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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B

11.4 km

End point

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Way Types & Surfaces

Way Types

6.12 km

5.22 km

< 100 m

Surfaces

6.02 km

3.48 km

1.85 km

< 100 m

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Elevation

Elevation

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Weather

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Today

Monday 25 May

16°C

10°C

82 %

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Max wind speed: 21.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the difficulty level of the Y Road Trail to Stewart Mountain?

This route is rated as moderate. It involves a significant elevation gain of approximately 724 meters (2,375 feet) over its 11.4 km (7.1 miles) length, making it a challenging hike suitable for those with some experience and good fitness. Expect continuous uphill climbs, especially at the start.

Where can I park to access the Y Road Trail to Stewart Mountain?

The primary access point is typically the Y Road Trailhead, located in the Olsen Creek area near Bellingham, Washington. Parking availability can vary, so it's always a good idea to arrive early, especially on weekends, to secure a spot.

Do I need a permit or pay an entrance fee for this trail?

The Y Road Trail to Stewart Mountain is located within the Washington Department of Natural Resources' Olsen Creek State Forest. While specific permits for hiking may not always be required, it's advisable to check the latest regulations for the Olsen Creek area regarding parking passes or Discover Pass requirements, as these can change.

Is the Y Road Trail to Stewart Mountain dog-friendly?

Yes, the trails in the Olsen Creek area are generally dog-friendly. However, it's crucial to keep your dog on a leash at all times to protect wildlife and ensure a pleasant experience for all trail users. Always pack out any waste.

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

The trail can be hiked year-round, but the best time is typically from late spring through early fall (May to October) when the weather is more predictable and the trails are less muddy. Winter hiking is possible but requires preparedness for snow, ice, and colder temperatures, especially at higher elevations.

What kind of scenery can I expect along the route?

You'll experience diverse scenery, including dense forests, regrown clearcuts, and areas with impressive trees. As you gain elevation, expect stunning views of Lake Whatcom and the surrounding hills. From the summit of Stewart Mountain, panoramic vistas can include Mount Baker, the Twin Sisters, the San Juan Islands, and even British Columbia's Gulf Islands.

What is the terrain like on the Y Road Trail to Stewart Mountain?

The terrain is varied and challenging. The initial sections may involve a gravel road with a continuous uphill climb, transitioning into single-track trails. You'll pass through different forest types. Some sections can be steep and muddy, particularly on descents, so good hiking boots are essential.

Does this trail connect with other paths in the area?

Yes, the Y Road Trail system is part of a larger network. The route you're on utilizes sections of the OC-ML, Earth Star, Hedgehog, and OC-17 trails. The area is known for its extensive trail options, including loops, and there are efforts to connect trails like Chanterelle and Hertz for longer hiking and biking opportunities.

What wildlife might I see on the Y Road Trail to Stewart Mountain?

The diverse forest environment offers opportunities to spot various wildlife. Keep an eye out for black-tailed deer and a variety of bird species. Remember to observe wildlife from a distance and avoid disturbing their natural habitat.

What should I bring for a hike on this trail?

Given the trail's moderate difficulty and varied conditions, it's wise to be prepared. Essential items include plenty of water, snacks, a first-aid kit, and good hiking boots. Dressing in layers is recommended due to unpredictable weather, and consider trekking poles for steep sections.

Is the Y Road Trail to Stewart Mountain a loop or an out-and-back trail?

The specific route described is primarily an out-and-back to Stewart Mountain. However, the broader Y Road Trail system in the Olsen Creek area offers extensive options, including various loop configurations that can be explored if you plan a longer adventure.

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