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Routes
Hikes
United States
Washington
Snohomish County

Henry M. Jackson Hydroelectric Project

Routes
Hikes
United States
Washington
Snohomish County

Henry M. Jackson Hydroelectric Project

The best walks and hikes in Henry M. Jackson Hydroelectric Project

4.2

(10)

231

hikers

14

hikes

Hiking in Henry M. Jackson Hydroelectric Project offers access to a diverse landscape in Snohomish County, characterized by the Sultan River watershed, Spada Lake Reservoir, and surrounding forested hills. The area provides a mix of terrain, from riverside paths to trails leading to alpine lakes. Hikers can expect to encounter varied elevations and natural features associated with a hydroelectric project and its protected natural areas.

Best hiking trails in Henry M. Jackson Hydroelectric Project

  • The most popular hiking route is…

Last updated: July 7, 2026

#1.

Spada Lake Culmback Dam Trail

1.50km

00:26

50m

20m

The Spada Lake Culmback Dam Trail offers a unique blend of natural beauty and impressive engineering, winding alongside the serene, greenish-blue waters of Spada Lake. You'll pass through lush forested…

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Easy

21

hikers

13.7km

04:25

540m

540m

Hike the moderate 8.5-mile Greider Lakes Trail to discover two alpine lakes and stunning mountain scenery in the Morning Star Natural Resour

Moderate
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4.0

(3)

9

hikers

6.77km

02:09

280m

280m

Hike the moderate 4.2-mile Sultan River Canyon Trail to explore a lush, old-growth canyon and reach the beautiful Sultan River.

Moderate

2

hikers

21.9km

06:46

770m

770m

Hike the difficult 13.6-mile Boulder Lake Trail in Snohomish County, Washington, gaining 2522 feet to a stunning alpine lake.

Hard

1

hikers

If you're looking for a quick and easy nature fix, the Greider/Boulder Lakes Trail offers a pleasant hiking experience. This route takes you through a serene forest environment, providing a…

Easy
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Tips from the Community

Lisa
June 6, 2025, View of Spada Lake

Great views over Spada Lake, which provides most of the city of Everett's drinking water. Because of that no swimming or wading is allowed, and your pets must be on leash at all times. There can be good trout fishing here, though.

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0

Lisa
June 6, 2025, Reflection Ponds

Two small, tranquil ponds just off the Greider Lakes Trail, but they are pretty socked in by greenery.

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Zachary
September 23, 2023, Sultan River

The trail into the canyon starts as a wide gravel road from the trailhead near the dam, and becomes a beautiful lush singletrack as the path turns off and descends into the canyon. The river at the bottom is wide and shallow.

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Zachary
September 23, 2023, Culmback Dam

Culmback Dam was created in 1965 via the Henry M. Jackson Hydroelectric Project. This hydroelectric dam on the Sultan River creates Spada Lake, which provides drinking water to nearby towns and serves as a recreation site.

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0

Alex
September 23, 2023, Boulder Lake

Boulder Lake is a stunning alpine vista with a dramatic mountain backdrop. The Boulder Lake trail has recently needed maintenance β€” check to see if the trail is closed before you go. Reports say the DNR has begun to reclaim this trail.

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0

Alex
September 23, 2023, Big Greider Lake

There are restrooms near the lake, and the scenery here makes for an exceptional snack spot. Big Greider Lake is part of the Sultan Basin, which is Everett's public water supply β€” as such there is no swimming.

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Zachary
September 23, 2023, Little Greider Lake

The trail is very steep and power-hikey up until this point, where it mostly levels out until you reach Big Greider Lake. Little Greider Lake is a great spot for camping, and the views are dramatic as the trail skirts between the two peaks. There is a camp along the lake.

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Bear Creek Sites have overlooks that have benches and a view of the nearby forest and Lake Spada. The Lake is a drinking water reservoir, so swimming or wading is not allowed.

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0

Frequently Asked Questions

How many hiking trails are available in the Henry M. Jackson Hydroelectric Project area?

The Henry M. Jackson Hydroelectric Project area offers a variety of hiking experiences, with over 10 distinct trails recorded on komoot. These range in difficulty from easy riverside walks to challenging ascents towards alpine lakes.

What are the typical trail difficulties found in the Henry M. Jackson Hydroelectric Project region?

Hikers can find a mix of difficulties. The area features 5 easy trails, 3 moderate trails, and 5 difficult trails, catering to various fitness levels and preferences. For example, Bear Creek Site via South Shore Trailhead β€” Spada Lake is an easy option, while Boulder Lake β€” Snohomish County is considered difficult.

Are there any trails with notable viewpoints or natural features?

Yes, the region is rich in natural features. Trails often follow the Sultan River, offering scenic canyon views, or lead to lakes like Spada Lake and Greider Lake. The Big & Little Greider Lake β€” Morning Star Natural Resources Conservation Area route explores beautiful lake shores and forest trails.

Do I need a permit to hike in the Henry M. Jackson Hydroelectric Project area?

Access to certain areas within the Henry M. Jackson Hydroelectric Project, particularly around Spada Lake Reservoir, is managed by Snohomish PUD. A free permit is often required for recreational access. It's advisable to check the Snohomish PUD website for the most current permit requirements before your visit.

Is there public transportation available to reach hiking trailheads?

Public transportation options directly to the more remote trailheads within the Henry M. Jackson Hydroelectric Project area are limited. Most visitors typically rely on personal vehicles to access the various starting points for hikes.

What are the parking facilities like at the trailheads?

Parking availability varies by trailhead. Some popular trailheads, especially those managed by Snohomish PUD or within state park boundaries, may have designated parking lots. However, for more remote trails, parking might be limited to roadside pull-offs. Always check specific trail information for details and be mindful of any posted regulations.

Are there any family-friendly hiking options in the area?

Yes, there are several trails suitable for families. Easy-rated routes, such as Bear Creek Site via South Shore Trailhead β€” Spada Lake, offer shorter distances and minimal elevation gain, making them enjoyable for children and those seeking a more leisurely walk.

Are dogs allowed on the hiking trails?

Policies regarding dogs can vary depending on the specific trail and land management agency. While many trails in national forests or state parks generally allow leashed dogs, areas around the hydroelectric project or sensitive wildlife habitats might have restrictions. Always check local signage or the managing authority's website for current pet policies.

What is the best time of year to hike in the Henry M. Jackson Hydroelectric Project region?

The best time to hike generally depends on the trail's elevation and exposure. Spring and fall offer pleasant temperatures and vibrant scenery. Summer is ideal for higher elevation trails, while winter hiking is possible on lower, less snow-prone paths, though conditions can be wet and muddy. Always check current weather and trail conditions before heading out.

What do other hikers enjoy most about the Henry M. Jackson Hydroelectric Project trails?

The area is highly rated by the komoot community, with an average score of 4.3 stars from over 10 reviews. Reviewers often praise the diverse landscape, from tranquil lake shores to challenging forest climbs, and the opportunity to experience the unique natural features shaped by the Sultan River watershed.

Are there any circular routes available for hiking?

While many trails are out-and-back, some routes can be combined or are inherently loop-shaped. For instance, the Big & Little Greider Lake β€” Morning Star Natural Resources Conservation Area trail offers a varied experience around the lakes, which can feel like a comprehensive loop exploring different aspects of the forest.

Where can I find amenities like cafes or restaurants near the hiking areas?

The Henry M. Jackson Hydroelectric Project area is primarily natural and undeveloped. For amenities like cafes, restaurants, or accommodation, you would need to visit nearby towns such as Sultan, which offers basic services for visitors.

Most popular routes in Henry M. Jackson Hydroelectric Project

Easy hikes in Henry M. Jackson Hydroelectric Project

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