Sentinel Gap Industrial Park


The Sentinel Gap Industrial Park offers available lots for lease and/or purchase. Sentinel Gap provides the most convenient locations to Interstate-90 and WA-243. The park operates it’s own water system, the Port of Mattawa Water System, providing drinking water and fire flow. We also support heavy power utilities and a fiber optic network.

Sentinel Gap hosts a variety of organizations:



  • KC Honey
  • Mattawa Wood Products
  • Sedona Trucking, LLC
  • Port of Mattawa Water System
  • Port of Mattawa Industrial Wastewater System