4.8
(980)
23,306
hikers
742
hikes
Family friendly hiking trails in King County offer a diverse range of outdoor experiences, from serene lakeside paths to forested routes with waterfalls. The region is characterized by its proximity to the Cascade Mountains, providing a backdrop of peaks and numerous opportunities for mountain hiking. Dense evergreen forests, lush wildlands, and scenic rivers are prominent features, alongside picturesque lakes such as Rattlesnake Lake and Snow Lake. These varied landscapes ensure a wide array of trails suitable for families.
Last updated: April 27, 2026
4.8
(8)
169
hikers
8.44km
02:21
160m
140m
Embark on the Discovery Park and Lighthouse Loop Trail, a moderate hike that guides you through Seattle's largest public park. This 5.2 miles (8.4 km) route features an elevation gain…
4.8
(8)
169
hikers
8.44km
02:21
160m
140m
Embark on the Discovery Park Lighthouse and Loop Trail, a moderate hiking route that takes you through diverse landscapes within Seattle's largest public park. This 5.2-mile (8.4 km) journey involves…

Sign up for free
5.0
(10)
75
hikers
10.5km
03:07
310m
310m
Embark on the Longview Peak and Far Country Lookout Loop, a moderate hike that takes you through a very green and dense forest, characteristic of the Pacific Northwest. You will…
4.3
(7)
74
hikers
4.36km
01:20
160m
140m
Embark on an easy hike along the Coal Creek Falls Loop via Red Town and Cave Hole Trail, a refreshing escape into nature. This 2.7-mile (4.4 km) route guides you…
5.0
(8)
634
hikers
4.61km
01:10
10m
10m
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…
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Popular around King County

Family-friendly hikes around Seattle
Family-friendly hikes around Lake Washington

Family-friendly hikes around Bellevue

Family-friendly hikes around Kirkland
Family-friendly hikes in Lake Sammamish State Park
Family-friendly hikes around Redmond

Family-friendly hikes around Sammamish

Family-friendly hikes in Olallie State Park

Family-friendly hikes around Issaquah

Family-friendly hikes in Raging River State Forest
Pretty -- don't be deceived by what looks like a trail on the far side of the falls though, it's not a real trail.
0
0
Be sure to catch the sunset here ... wow ... just wow, it feels otherworldly.
0
0
Cougar Mountain Park spans nearly 3,000 acres, featuring over thirty-five miles of fantastic trails winding through second-growth forests, streams, wetlands, cliffs, and historical mining caves. There are breathtaking views throughout the park of the Cascade Mountains, Lake Sammamish, Bellevue and Seattle, along with other more secluded areas, which are ideal for spending time surrounded by nature away from the fast pace of the city. Most trails are mainly for hikers; however, some allow horseback riding, so keep an eye out for equestrians as you explore this beautiful area.
0
0
A perfect urban oasis in the middle of Seattle. Walking trails, bike trails, all kinds of activities.
0
0
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.
1
0
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.
1
0
The Lawton Point overlook in Discovery Park offers a stunning view of Puget Sound, the Olympic Mountains, and the West Point Lighthouse. You can access the overlook from the Loop Trail, which is a 2.8-mile circuit through forest, meadow, and shrub habitats. The trail has some steep and rocky sections, so be prepared for a workout. You can also extend your run by exploring the beach or the historic Fort Lawton site. Discovery Park is home to a rich variety of wildlife, including birds, seals, and chipmunks, so keep your eyes open and enjoy the natural beauty.
0
0
King County offers a vast network of trails, with nearly 730 routes suitable for families. Among these, almost 500 are rated as easy, making them perfect for all ages and skill levels.
King County's family-friendly trails showcase diverse natural beauty. You can explore dense evergreen forests, serene lakes, and even stunning waterfalls. For example, the Coal Creek Falls Loop leads to a picturesque cascade, while trails around Rattlesnake Lake offer thrilling scenery. Many routes provide views of the majestic Cascade Mountains, including Mount Si and Little Si.
Yes, King County has several easy, relatively flat trails ideal for strollers or young children. The Green Lake Outer Loop is a popular choice, offering a paved path around the lake. The Duwamish-Green River Trail is another mostly flat, paved option. Additionally, Cougar Mountain Regional Wildland Park features many accessible trails through forested landscapes.
Absolutely! Many family-friendly trails in King County are designed as loops, allowing you to start and end at the same point without retracing your steps. Examples include the Discovery Park and Lighthouse Loop Trail and the Longview Peak and Far Country Lookout Loop.
Beyond the trails themselves, King County offers several notable attractions. You can visit the iconic Snoqualmie Falls, a prominent natural feature with its own viewing trails. For urban exploration, the Space Needle and Pike Place Market are within reach. Many trails are also near beautiful lakes like Green Lake and Lake Sammamish, offering additional recreational opportunities.
Many trails in King County welcome dogs, but it's always best to check specific trail regulations before you go. Generally, dogs are permitted on leash in most regional parks and on many hiking trails. Always remember to clean up after your pet to keep the trails enjoyable for everyone.
The best time for family hikes in King County is typically from late spring through early fall (May to October) when the weather is mild, and trails are generally dry and clear. However, many lower-elevation trails, especially those in urban parks or along rivers, are accessible and enjoyable year-round, even in winter, offering a different kind of beauty.
Family hikes in King County vary greatly in length and duration. You can find short, easy walks that take less than an hour, such as the Gnome Trail in Maple Valley. Moderate trails like the Coal Creek Falls Loop might take around 1.5 hours, while longer, more challenging family routes could extend to 3-4 hours or more, depending on your pace and breaks.
The komoot community highly rates the family-friendly trails in King County, with an average score of 4.8 stars. Reviewers often praise the region's diverse landscapes, from lush forests to scenic lake views, and the well-maintained paths that make hiking accessible for all ages. The variety of easy and moderate options is frequently highlighted as a major plus for families.
Yes, King County offers trails with unique historical elements. The Iron Goat Trail provides a stroll through railroad history, while the Franklin Ghost Town trails combine nature exploration with a glimpse into the past. These trails can add an educational and engaging dimension to your family's outdoor adventure.
Many popular trailheads in King County offer dedicated parking areas, though these can fill up quickly on busy weekends. For specific parking details, it's best to check the individual route descriptions on komoot. Some trails, especially those closer to urban centers like the Green Lake Outer Loop, are also accessible via public transport. For broader information on King County trails, you can visit the King County Parks website.


Check out more Hikes throughout King County below and find the perfect route in your destination.
Browse the best Hikes in other regions.