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United States
Washington

San Juan County

The best waterfall hikes and walks in San Juan County

4.8

(61)

1,598

hikers

6

hikes

Waterfall hiking trails in San Juan County are characterized by the lush, forested landscapes of its islands, offering a blend of coastal and inland natural features. The region features diverse terrain, from gentle paths alongside creeks to more challenging ascents through woodlands. Hikers can explore trails that lead to scenic waterfalls, often accompanied by views of lakes and dense Pacific Northwest vegetation.

Best waterfall hiking trails in San Juan County

  • The most popular waterfall hiking route is False Summit, Lookout…

Last updated: July 8, 2026

5

hikers

#1.

False Summit, Lookout Tower, and Mountain Lake Loop

19.3km

06:32

1,090m

650m

The False Summit, Lookout Tower, and Mountain Lake Loop is a demanding 12.0-mile (19.3 km) hiking route that promises a full day of adventure and incredible scenery. With 3561 feet…

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Hard

1.82km

00:30

10m

80m

Embark on an easy hike along the Cascade Creek Trail, a delightful 1.1-mile (1.8 km) route that winds through lush, green vegetation. You'll experience a gentle elevation gain of just…

Easy
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Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

Hard

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

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Popular around San Juan County

Waterfall hikes in Moran State Park

Waterfall hikes in Clark Island Marine State Park

Tips from the Community

Tyler Sanders
November 16, 2023, Cascade Lake

This lake is the most popular one in Moran State Park. It's an ideal spot for a picnic by the water or for engaging in your favorite water activities. Additionally, there's a small shack that serves snacks, drinks, and even ice cream if you need to cool down from your ride.

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Matthew
November 16, 2023, Mount Constitution

At an elevation of 2,399 feet, Mount Constitution is the high point and pinnacle of Moran State Park. You have your choice of road or trail for climbing up to the summit, and you're rewarded with awesome views of Summit Lake, Twin Lake, and the bay.

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MarkusRH
July 30, 2023, Cascade Lake

Great access to the water with a café, toilet, canoe rental, ... Great for families.

Translated by Google

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Fantastic view from the Stone Tower to the mainland and the adjacent islands.

Translated by Google

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MarkusRH
July 30, 2023, Cascade Lake

Great trail around the lake with many opportunities to expand.

Translated by Google

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MarkusRH
July 26, 2023, Cascade Lake

Parking lot with kiosk, kayak rental, toilets and children's swimming area

Translated by Google

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Anette
March 15, 2022, Mount Constitution

No hike in Moran State Park is complete without a visit to the top of Mount Constitution. The view of the San Juan Islands is breathtaking.

1

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Very pleasant and relaxing trail at Cascade Lake. The Lake is the best family friendly place to swim and picnic on the meadow by the water.

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Frequently Asked Questions

How many waterfall hiking trails are available in San Juan County?

San Juan County offers a selection of 7 dedicated waterfall hiking trails. These routes vary in difficulty and length, providing options for different experience levels.

Are there easy waterfall hikes suitable for beginners or families in San Juan County?

Yes, San Juan County has several easy waterfall hikes perfect for beginners and families. A great option is the Cascade Creek Trail, which is relatively short and features minimal elevation gain. Another accessible choice is the Cascade Falls loop from Moran State Park, offering a pleasant walk to the falls.

What are some challenging waterfall hikes in San Juan County?

For those seeking a more strenuous adventure, San Juan County offers challenging waterfall hikes with significant elevation changes. Consider the False Summit, Lookout Tower, and Mountain Lake Loop, a difficult 12-mile route with over 3,500 feet of ascent. Another demanding option is the Lake to Mountain Loop – Moran State Park, which also features substantial climbs through dense forests.

What is the typical length and duration of waterfall trails in San Juan County?

Waterfall trails in San Juan County vary significantly. Shorter, easier routes like the Cascade Creek Trail can be completed in under an hour, covering about 1.1 miles. Longer, more challenging loops such as the False Summit, Lookout Tower, and Mountain Lake Loop can extend up to 12 miles and take over 6 hours to complete.

Are there any loop trails that include waterfalls in San Juan County?

Yes, San Juan County features several excellent loop trails that incorporate waterfalls. The Cascade Lake Loop Trail – Cascade Falls loop from Rosario Seaplane Base is a popular moderate option, offering a scenic 5.9-mile circuit around Cascade Lake and past the falls. The Cascade Falls loop from Moran State Park is another shorter, easy loop.

What can I see along the waterfall hiking trails in San Juan County?

Beyond the waterfalls themselves, these trails often lead through lush forested areas and offer stunning views of the region's natural beauty. Many routes pass by beautiful lakes such as Mountain Lake and Cascade Lake. You might also encounter viewpoints like Fisherman Bay views or reach summits like Mount Constitution, providing panoramic vistas of the islands and surrounding waters.

What do other hikers enjoy most about waterfall hiking in San Juan County?

The waterfall hiking trails in San Juan County are highly rated by the komoot community, with an average score of 4.9 stars from over 30 reviews. Hikers frequently praise the lush, forested landscapes, the serene lake views, and the diverse terrain that caters to various ability levels, from gentle strolls to challenging mountain ascents.

Is it possible to hike to waterfalls in San Juan County during winter?

While the guide focuses on general hiking, San Juan County's mild Pacific Northwest climate means many trails remain accessible year-round. However, conditions can be wet and muddy, and some higher elevation areas might experience snow or ice. Always check local conditions and trail reports before heading out in winter.

Are permits required for waterfall hiking trails in San Juan County?

Generally, permits are not required for day hiking on most public trails in San Juan County. However, some areas within Moran State Park or other managed lands might have specific regulations or require a Discover Pass for parking. It's always best to check with the specific park or land management agency for the most current information before your visit.

What kind of wildlife might I encounter on waterfall trails in San Juan County?

The forested islands and coastal environments of San Juan County are home to diverse wildlife. Hikers might spot various bird species, including bald eagles, and potentially deer or other small mammals. Near the water, marine life can sometimes be observed. Remember to observe wildlife from a distance and avoid disturbing their natural habitats.

Are there any historical sites or attractions near the waterfall trails?

Yes, San Juan County is rich in history. While hiking, you might be close to significant historical sites such as English Camp — San Juan Island National Historical Park or the broader San Juan Island National Historic Park, which offer insights into the region's past. These sites often have their own trails that can be combined with waterfall hikes for a richer experience.

Most popular routes in San Juan County

Hiking in San Juan County

Most popular attractions in San Juan County

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Check out more Hikes throughout San Juan County below and find the perfect route in your destination.

Clark Island Marine State ParkMoran State Park

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Things to Do in Turn Island Marine State Park

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