Mercer Slough Environmental Education Center
Visit Mercer Slough
Located on a biologically diverse 320-acre wetland nature park in the heart of urban Bellevue, WA, Mercer Slough Environmental Education Center is a collaboration between PacSci and the City of Bellevue.
Visit the Center and talk to a Park Ranger, learn more about Mercer Slough Nature Park, and get involved with the adult and family programs, camps, private events, and more.
Curiosity Never Closes: Support PacSci
While we are closed to the public, we are still serving the community. We depend on support from you.
Mercer Slough Programs
At Mercer Slough
Education Center: Monday–Friday, 8 a.m. – 4:30 p.m.
Ranger Station: 10 a.m. – 4 p.m.
Admission to the Mercer Slough Environmental Education Center and park is free!
Getting to Mercer Slough
The Mercer Slough Environmental Education Center is located at:
1625 118th Avenue SE, Bellevue, WA 98005.
View the map below for additional information.
The Mercer Slough Environmental Education Center has a parking lot onsite. People can park there for two hours or less.
If you are attending a program longer than 2 hours, please request a parking pass from the Registration Team at 206-443-2925 and park in the yellow stalls only. If the yellow stalls are full, please park along the street (118th ave SE). Feel free to drop off kids with staff at the Center before parking and walking.
1625 118th Avenue SE
Bellevue, WA 98005
For more information about Mercer Slough, call (425) 450-0207.
To register for our programs, call (206) 443-2925.
Mercer Slough is an ADA accessible site. There is an accompanying ramp or elevator for every space.
Trails have an ADA accessible entrance, as well. The trails are either wood chip or gravel, and once in the nature park all of the trails are flat.
Please contact us at (425) 450-0207 if you have additional questions or concerns.
Are there bathrooms onsite?
Yes, there are fully functioning bathrooms at Mercer Slough Environmental Education Center.
Where is the Center?
The Center is the only building onsite shaped like an old farmhouse. There is signage on this building directing people to the front door.
Is there food onsite?
No, there is not food onsite. There are food options close, though, and are ~5 minutes away from Mercer Slough. Guests are invited to bring their own food.
Is there space that I can reserve onsite?
Yes, there is a Community Room that people can reserve onsite. This is managed through the City of Bellevue. Learn more
Upcoming Mercer Slough Events
320-acre Wetland Park in the Heart of Urban Bellevue