Nestled in the heart of Bellevue, the 320-acre Mercer Slough Nature Park offers a tranquil setting for trails. The slough is Lake Washington’s largest remaining wetland, containing hundreds of plant species and an abundance of water resources.
Interconnected boardwalks, soft-surface trails and asphalt paths transport visitors through this urban wetland.
Mercer Slough Nature Park Trail Map
April 5, 2023: The Mercer Slough Farmstand construction project has started, the Mercer Slough Trail system will remain open to the public during the duration of the project. Please be careful of construction activities if visiting the park. We apologize for the inconvenience that the construction creates and appreciate your patience.