Snoqualmie Valley Trail closure starting September 2, no detour available

King County, Washington sent this bulletin at 08/20/2025 06:59 PM PDT

King County Parks | August 20, 2025

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Portion of Snoqualmie Valley Trail Closed September 2 – October 10, 2025 near Three Forks Natural Area

No Detour Available

King County will be repairing two trestle bridges on the Snoqualmie Valley Trail to extend their life and keep the trail safe and functional for years to come. To complete this work, the trail will be closed north of the Mt. Si Golf Course near Three Forks Natural Area.

Construction will take place September 2 – October 10, 2025.

The trail will be fully closed during this time. No detours are available.

Thank you for your patience and understanding as we complete these important repairs.

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