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Green to Cedar River Trail
South Interim Trail
Location: 8-mile corridor between SE Kent Kangley Road in Maple Valley and Flaming Geyser State Park, just south of the Black Diamond city limits.
Green to Cedars Rivers South Interim Trail Segment A
This interim trail will be approximately 2 miles long and travel from SE Kent Kangley Road to the Black Diamond Open Space (BDOS) trailhead parking lot. It will include a pedestrian bridge crossing at the BNSF railroad and four safe trail crossings at SE 271st Place, SE 276th Street, SE 280th Street, and 288th Ave South.
Construction will begin once permits and a construction maintenance agreement with the railroad are acquired. This project is currently anticipated to advertise for construction in early 2025 with construction to begin late spring 2025. View the interim trail Map.
Permitting agencies include BNSF, WSDOT, Bonneville Power Administration (BPA), the City of Maple Valley, WA Department of Ecology, WA Department of Natural Resources, and King County.
King County Parks created a survey to hear from community members and get input on the trail segment. View the results.
Ravensdale Fish Barrier Removal
Project title: SR 169 - Ravensdale Creek - Fish Passage
Location: SR 169 in Maple Valley, Black Diamond Open Space, and the Green to Cedar Rivers Trail south of SE 288th Street.
Duration: Summer 2021 – Fall 2022
Reason: Fish passage improvement
King County Parks is partnering with WSDOT to improve fish passage within Ravensdale Creek. This project will remove two culverts within the Black Diamond Open Space (BDOS) and one culvert under the SR 169 highway. The culvert east of the Green to Cedar Rivers Trail will be removed and the creek will be restored. The culvert under the trail will be removed and replaced with a pedestrian trail bridge. The culvert under SR 169 will be removed and replaced with a new bridge. The old road bed through BDOS (which served as the main road prior to SR 169 construction) will be temporarily utilized for a vehicular traffic bypass while the SR 169 bridge is being reconstructed. This bypass will provide a direct route through the area in lieu of a lengthy detour and it will be restored with native plantings after the SR 169 bridge is constructed. WSDOT is managing the design, permitting, and construction of the project.
Recent activity:
The contractor will complete the majority of the work on the Ravensdale fish barrier removal project at SR 169 and the Black Diamond Open Space by the end of September 2022. The new bridge at SR 169 was completed early this year. More recently, a new pedestrian bridge along the Green to Cedar River Trail was installed after the existing culvert within the railroad embankment was removed. In total, three fish barriers (culverts) were removed and the stream channel was improved for fish habitat. Water is once again flowing within Ravensdale Creek as the contractor preps the project site for landscape planting and restoration, which will begin in October. This project was completed in December 2022.
Other:
King County received a grant from the state of Washington’s Recreation and Conservation Office (RCO) through the Brian Abbott Fish Barrier Removal Board for the King County portion (the two culverts in BDOS) of this project.