Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Login or Signup

Routes
Hiking trails & Routes
United States
Washington
King County
King County
Mercer Island

Mercerdale Hillside Park loop

Easy

4.9

(6387)

6,388

hikers

Mercerdale Hillside Park loop

00:33

2.02km

30m

Hiking

Hike the easy 1.3-mile Mercerdale Hillside Park loop on Mercer Island, featuring forested paths, staircases, and a pleasant tree canopy.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

985 m

Mercerdale Hillside Park

Highlight • Rest Area

This park has open fields, a playground, and a skatepark. However, it's probably best known for the hundreds of stairs that take you up and down the hills. If you're …

Tip by

B

2.02 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

833 m

652 m

526 m

Surfaces

652 m

473 m

356 m

293 m

237 m

Sign up to see more specific route details

Sign up for free

Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Today

Tuesday 2 June

29°C

13°C

0 %

Additional weather tips

Max wind speed: 9.0 km/h

to get more detailed weather forecasts along your route

This route was planned by komoot.

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Frequently Asked Questions

What is the terrain like on the Mercerdale Hillside Park loop?

The terrain is quite hilly, featuring an extensive system of paths and wooden staircases. The main stairway alone has 302 steps, and longer routes can incorporate over 850 steps in total. The trails are generally in good condition, winding through a forested greenbelt.

How long does it typically take to hike this loop?

The specific loop described on komoot is about 2 km (1.25 miles) and takes approximately 33 minutes to complete. However, the park offers more extended and strenuous options, including routes up to 2.5 miles with significant stair climbs, which would take considerably longer.

Is this trail suitable for beginners or families with children?

The difficulty ranges from easy to moderate, depending on the chosen route and pace. While the shorter loop is manageable, the numerous staircases can be challenging. Adjacent to the hillside trails, Mercerdale Hillside Park also has a flatter, paved quarter-mile loop and a children's play area, making it versatile for families.

What makes the Mercerdale Hillside Park loop a good workout?

The park is renowned for its extensive staircases, which provide an excellent cardiovascular challenge. Many locals use it for a 'Mercerdale workout,' combining a quarter-mile loop with tackling the 302-step main stairway. Longer routes can involve ascending over 850 steps.

Where can I park for the Mercerdale Hillside Park loop?

The park is conveniently located in the heart of downtown Mercer Island. Parking is generally available in the vicinity of Mercerdale Hillside Park, often near the adjacent Mercerdale Park facilities.

How can I reach the park using public transport?

As the park is situated in downtown Mercer Island, it is accessible via local public transportation routes that serve the downtown area. Check local bus schedules for the most current information on stops near the park.

Are dogs allowed on the trails?

Generally, dogs are allowed on trails in Mercer Island parks, but they must be kept on a leash. Please ensure you clean up after your pet to maintain the park's natural beauty.

Are there any entrance fees or permits required for Mercerdale Hillside Park?

No, there are no entrance fees or permits required to access Mercerdale Hillside Park. It is a public park open for everyone to enjoy.

What facilities are available at Mercerdale Hillside Park?

Beyond the hillside trails, the adjacent Mercerdale Park offers open spaces, picnic areas, a skateboard park, and a children's play area. These facilities make it a versatile community hub for various activities.

What kind of scenery can I expect along the trail?

You'll experience a verdant, forested setting with a beautiful tree canopy. The park features winding trails and a stream, with areas of big-leaf maple trees and large conifers. From nearby sections like the I-90 trail, you might even catch glimpses of the Seattle downtown skyline and Mount Rainier.

When is the best time of year to visit Mercerdale Hillside Park?

The park is beautiful year-round. Spring and fall offer pleasant temperatures and vibrant foliage. Summer is great for enjoying the shade of the tree canopy, while winter can provide a unique, quiet experience, though some trails might be damp. Always check local conditions before heading out.

Can I see wildlife while hiking here?

The forested environment supports various local wildlife. If you're lucky, you might spot an eagle's nest within the conifer sections of the park. Keep an eye out for birds and small mammals common to the Pacific Northwest.

Nearby routes

Moderate

4.8

174

Discovery Park and Lighthouse Loop Trail

02:21h

8.44km

160m

Explore
RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepackingSitemap
Download the app
Follow Us on Socials

© komoot GmbH

Privacy Policy