Top 15 Stunning Lakes to Explore in Washington State

Washington State is often regarded as one of the most picturesque locations in the United States, characterized by its mountain ranges, deep fjords, temperate rainforests, and expansive Pacific coastline. The Cascade Range traverses the state from east to west, with the eastern region being drier and flatter, while the western part is adorned with mountains, volcanoes, and lush forests.

Within the diverse landscapes of mountains, forests, flatlands, and highlands lie numerous scenic lakes, many of which are essential destinations for visitors. Below are the 15 finest lakes in Washington State.

1. Lake Washington; King County

As the second largest natural lake in Washington, Lake Washington serves as a boundary between the cities of Seattle and Bellevue. Notably, it is also home to the world’s longest floating bridge.

The lake honors George Washington and was named shortly after the state itself. Covering a total area of 8,800 hectares, its shoreline is lined with multiple cities and towns, including Seattle, Bellevue, Kirkland, Beaux Arts Village, and Renton.

Surrounding cities and towns feature lakeside parks, allowing visitors to enjoy picnics or leisurely walks along the shoreline. Mercer Island, situated within the lake, boasts Luther Burbank Park, which includes a swimming area, barbecue facilities, and a fishing pier.

2. Lake Chelan; Chelan County

This elongated lake is recognized as the largest natural lake in Washington, nestled in the foothills of the North Cascades National Park at an elevation of 340 meters.

With a depth of 144 meters, Lake Chelan ranks as the third deepest lake in the USA, making it a favored location for fishing enthusiasts looking to catch species such as bull trout, largescale sucker, Northern pikeminnow, Mountain whitefish, and various native fish.

Lake Chelan is nearly entirely surrounded by recreational areas and parks. At the northern end lies the Lake Chelan National Recreation Area, while the southern end features Lake Chelan State Park, and the Wenatchee National Forest is situated on either side.

3. Lake Crescent; Clallam County

Lake Crescent is a breathtaking body of water situated in the foothills of the Olympic Mountains, celebrated for its striking blue waters and exceptional clarity.

This 2,100 hectare lake is located within a prominent recreational zone, featuring the Spruce Railroad and Pyramid Mountain trails, in addition to Marymere Falls. Several areas for swimming and diving, such as ‘Devils Punch Bowl,’ are also available.

Alongside hiking and swimming, visitors frequently engage in fishing, kayaking, and sailing. Moreover, it serves as a great camping destination, with campsites located on the lake’s western shore.

4. Lake Quinault; Grays Harbor County

Located on the Olympic Peninsula within the Quinault Rain Forest, Lake Quinault lies on the western boundary of Olympic National Park and is under the stewardship of the Quinault Indian Nation.

Driving around the 48-kilometer loop that encircles the lake offers breathtaking views, complemented by several hiking trails along the shoreline and through the surrounding forest.

The historic Lake Quinault Lodge, situated on the southern shore of the lake, continues to operate today. Additionally, various lodges and campsites feature prominently in the area.

5. Diablo Lake; Whatcom County

Positioned in the North Cascade Mountains at an elevation of 366 meters, Diablo Lake is renowned for its stunning surroundings. The lake was formed by the Diablo Dam and is nestled between Ross Lake and Gorge Lake.

Diablo Lake is particularly noted for its designated National Recreation Trail, the Diablo Lake Trail, a 6.12-kilometer path extending along the north shoreline of the lake.

Surrounded by the Ross Lake National Recreation Area, this lake is accessible to visitors who come to admire its beauty as well as to canoe, kayak, and fish.

6. Ross Lake; Whatcom County

Located just northeast of Diablo Lake, Ross Lake extends into the neighboring British Columbia, Canada. It is situated at a higher elevation of 489 meters above sea level, boasting equally stunning features.

This lake is encompassed by the Ross Lake National Recreation Area, while the North Cascades National Park borders it on the west and south. Numerous towering peaks surround Ross Lake, providing a captivating backdrop for photography.

As a major recreational site, Ross Lake offers opportunities for canoeing, kayaking, and fishing. Notably, there is a floating resort accessible during the warmer months.

7. Lake Wenatchee; Chelan County

Lake Wenatchee is located on the eastern slopes of the Cascade Mountain Range within Wenatchee National Forest. Covering an area of 198 hectares, this lake was formed from glacial and snow melt.

Lake Wenatchee State Park, located at the eastern end of the lake, grants access to a variety of activities including water skiing, kayaking, windsurfing, and swimming, alongside hiking, cycling, and rock climbing.

During the winter months, visitors can engage in cross-country skiing, snowmobiling, dog sledding, and ice climbing. Although campgrounds are closed during winter, other public amenities remain accessible year-round.

8. Franklin D. Roosevelt Lake; Ferry, Stevens, Lincoln, Okanogan & Grant Counties

The naming of this lake pays homage to former President Franklin D. Roosevelt, who was in office during its formation in 1941 with the damming of the Columbia River.

Covering approximately 240 kilometers, Franklin D. Roosevelt Lake features a shoreline that extends for 970 kilometers. The Lake Roosevelt National Recreation Area encompasses the entire lake.

A variety of activities are available, including fishing, boating, canoeing, and swimming, along with extensive camping opportunities. There are over 500 campsites available around the lake, open throughout the year.

9. Kachess Lake; Kittitas County

Kachess Lake is situated along the Kachess River in the Cascade Range. Positioned between Cle Elum Lake and Keechelus Lake at an elevation of 687 meters, it serves as a natural reservoir as well.

The Kachess Lake Shore Trail runs along the western shoreline, providing breathtaking views of the lake and its surrounding mountains.

The name Kachess originates from an indigenous term meaning ‘more fish’, thus establishing it as an excellent spot for fishing enthusiasts. Boat launches are available around the lake, and camping facilities also accommodate overnight visitors.

10. Lake Sammamish; King County

This 1,980 hectare freshwater lake is located at the eastern edge of Bellevue. At its southern end lies Lake Sammamish State Park.

The state park features two beaches providing swimming, kayaking, paddleboarding, and sunbathing opportunities. It also includes hiking trails, picnic areas, and baseball fields.

Recently, the areas surrounding Lake Sammamish have become some of the most developed within the Greater Seattle Metropolitan Area. Nevertheless, it remains a stunning destination worth visiting.

11. Banks Lake; Grant & Douglas Counties

Located in the northern section of the Grand Coulee within the Columbia River Plateau, Banks Lake is situated in a canyon rather than amidst mountainous terrain.

Spanning 10,880 hectares, this lake was formed by the Missoula Floods over 13,000 years ago and is bordered by the Dry Falls Dam and North Dam.

On the northeastern shoreline lies Steamboat Rock State Park, which offers boat ramps, a designated swimming area, opportunities for water skiing, hiking, and camping.

12. Baker Lake; Whatcom & Skagit Counties

Baker Lake is located within the Mount Baker-Snoqualmie National Forest at an elevation of 215 meters. The views of Mount Baker, seen from the lake, are particularly striking.

This 1,900 hectare lake is a favored site for recreational pursuits such as boating, fishing, and camping, with approximately 55 campsites suitable for both tents and motorhomes.

Located along the lake’s eastern shore is the Baker Lake Trailhead, offering opportunities for hiking and horseback riding. A marathon is held on the trail every October.

13. Alta Lake; Okanogan County

Serving as the centerpiece of Alta Lake State Park, Alta Lake is a favored location for swimming, sailboarding, boating, and fishing. In addition, it features a golf course along its shoreline—the Alta Lake Golf Course.

Situated just east of the mountains, Alta Lake is publicly owned and offers breathtaking scenery, further enhanced for those who choose to camp overnight at one of the numerous available sites.

Access to the lake is facilitated by two public boat ramps; however, personal watercraft are only permitted between 9 a.m. and 6 p.m. Picnic areas are also accessible within the Alta Lake State Park on a first-come, first-served basis.

14. Lake Union; King County

Lake Union is a freshwater lake situated within the city of Seattle, surrounded by several neighborhoods and numerous parks.

Gas Works Park, located at the northern end of the lake, is the largest and most popular park, frequented by both locals and visitors. The park, which was once a coal gasification plant, regularly hosts events, including the July Fourth fireworks display.

Lake Union is home to various rowing centers and two seaplane bases, alongside a collection of floating homes lining both the east and west sides of the lake.

15. Lake Cushman; Mason County

This 1,620 hectare lake is located along the north branch of the Skokomish River, with the majestic Olympic National Forest situated above it, offering striking vistas.

Lake Cushman is a favored recreational site, providing opportunities for kayaking, boating, fishing, and hiking, while its remarkably clear blue waters attract many visitors.

The shoreline features various resorts and cabins, facilitating overnight accommodations, alongside numerous campsites for both motorhomes and tents.