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Routes
Hiking trails & Routes
United States
Washington
King County
Seattle

Green Lake Outer Loop

Easy

4.7

(1082)

5,342

hikers

Green Lake Outer Loop

01:10

4.61km

10m

Hiking

The Green Lake Outer Loop offers an easy hiking experience around a scenic urban lake. This pleasant route spans 2.9 miles (4.6 km) with a minimal elevation gain of just 31 feet (9 metres), making it accessible for nearly everyone. You can expect to complete the loop in about 1 hour and 9 minutes, enjoying picturesque views of Green Lake and the surrounding parkland, including glimpses of the Seattle skyline and the historic Green Lake Aqua Theater.

When planning your visit, be aware that the Green Lake Outer Loop is very popular, especially on warm days. Parking can be scarce, so consider arriving early or using public transport to avoid congestion. The park is easily accessible, and recent improvements have enhanced safety for all visitors, ensuring a pleasant outing whether you are walking, jogging, or simply enjoying the fresh air.

This trail is notable for its vibrant natural environment within a city setting. As you hike, keep an eye out for various waterfowl like ducks, geese, and even herons or eagles that frequent the lake. The path is lined with diverse trees, including Douglas fir and cherry trees, providing a refreshing green canopy and a sense of escape from the urban bustle.

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

Get Directions

1

121 m

Green Lake Park

Highlight • Lake

Green Lake Park has lots of facilities, including a cafe, pool, beach and tennis courts.

From here you can access the Green Lake Trail. Cycle around one of Seattle's most beloved parks and lake. The trail is approximately 2.8 miles in length and is popular with walkers, runners and cyclists.

Green Lake trail is a multi-use path, so please respect other path users.

There are multiple swimming areas on the lake, but be sure to check the times that they are lifeguarded.

Tip by

2

1.65 km

Green Lake Aqua Theater

Highlight • Monument

This historic landmark was built in 1950 for the very first Seafair. Various shows were held here, from the Aqua Follies synchronized swimming to the famous Led Zeppelin concert in 1969, followed by a performance by the Grateful Dead. It now serves many community purposes, is home to the Green Lake rowing club and is used by those who want to use the stairs for fitness. It is a great place to climb to the top, take in the view, and possibly catch a glimpse of a bald eagle.

Tip by

3

2.99 km

View of Duck Island

Highlight • Lake

This lovely small artificial island within the lake, formerly known as Swan Island, was initially built as a bird sanctuary, a home for swans gifted from Vancouver, British Columbia, in 1936. The program ended in 1983, and the island remains an official reserve. It is a great place to see a hawk, eagle or osprey hunting for fish.

Tip by

B

4.61 km

End point

Parking

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Way Types & Surfaces

Way Types

4.03 km

542 m

< 100 m

Surfaces

3.01 km

806 m

587 m

101 m

< 100 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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Today

Thursday 7 May

19°C

9°C

0 %

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Max wind speed: 6.0 km/h

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Frequently Asked Questions

What is the terrain like on the Green Lake Outer Loop?

The outer loop is approximately 3.1 to 3.3 miles long, with about 79% unpaved surface (mostly gravel) and 21% paved sections. While generally wide, some gravel areas may have potholes that can become puddles after rain. There are also occasional dirt shortcuts.

What wildlife and natural features can I see along the route?

The trail offers picturesque views of Green Lake and its diverse ecosystem. You can spot various waterfowl like ducks, geese, and herons, as well as cormorants, loons, and turtles. Keep an eye out for hawks and eagles too. The path is lined with trees such as Douglas fir, Western red cedar, alder, poplar, and madrona, including some original old growth. In autumn, the fall colors are particularly notable, and cherry trees donated in the 1930s add to the scenery.

Is the Green Lake Outer Loop suitable for beginners or families?

Yes, this is considered an easy trail with minimal elevation change, making it suitable for all ages and abilities, including beginners and families. It's a popular spot for exercise and recreation due to its accessibility.

Where can I park when visiting the Green Lake Outer Loop?

Parking can be scarce, especially on warm weather days, as the park attracts thousands of people daily. It's advisable to arrive early or consider public transport. Specific trailhead parking information can often be found on the Seattle Parks and Recreation website.

Are dogs allowed on the trail?

Yes, dogs are generally allowed on the Green Lake Outer Loop, but they must be kept on a leash. Please remember to clean up after your pet to help keep the park enjoyable for everyone.

Do I need a permit or pay an entrance fee for Green Lake Park?

No, there are no entrance fees or permits required to access Green Lake Park or to hike the Green Lake Outer Loop. It is a public park managed by Seattle Parks and Recreation.

What is the best time of year to visit the Green Lake Outer Loop?

The trail is enjoyable year-round. However, autumn offers beautiful fall colors, and spring brings blooming cherry trees. Warm weather days are popular but can lead to crowded conditions and scarce parking. Visiting during off-peak hours or cooler days might offer a more serene experience.

What notable landmarks or viewpoints can I see along the Green Lake Outer Loop?

As you traverse the loop, you'll get great views of Green Lake Park itself. You'll also pass by the Green Lake Aqua Theater and can enjoy a View of Duck Island. In some areas, you might even catch glimpses of the Seattle skyline.

Does this route connect with other trails in the area?

Yes, the Green Lake Outer Loop is part of a larger network. While you'll be primarily on the Green Lake Outer Loop, the route also passes through sections of the Green Lake Trail and the Green Lake Cycle Path, which are popular for various activities.

How long does it typically take to complete the Green Lake Outer Loop?

The estimated duration for completing the Green Lake Outer Loop is about 1 hour and 10 minutes for hiking, though this can vary depending on your pace and how often you stop to enjoy the scenery.

Is the Green Lake Outer Loop less crowded than the inner loop?

Yes, the Green Lake Outer Loop was specifically designed to provide a more expansive and often less crowded option compared to the inner loop, which is directly adjacent to the lake and can get very busy with walkers, joggers, and wheeled users. The outer loop helps separate faster-moving users from pedestrians.

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