20250710 11564500 1.0 TRUE Thurston_Trails This data shows the extent of the Chehalis Western Trail, Yelm to Tenino Trail which are the 2 Active Open trails in the county. Olympia-Woodland Trail and the I-5 trail are city trails. Many of these trails began as part of Thurston County's Rails-to-Trails program. Layer also shows proposed/inactive trails. Updated on 9 AUG 2017 by KLB. Trail identified and provided to Geodata by the Public Works Parks Department.