Okanogan-Wenatchee National Forest
Lots of Okanogan-Wenatchee National Forest is pet-friendly. Encompassing over 4 million acres, there's lots of varying terrain to explore with your dog at this popular park. This wilderness is worth the visit if you're looking for some epic landscapes and secluded trails to explore. Dogs are welcome on a leash, as long as all mess is cleaned up after them. Visit Website
Or call (509) 664-9200 for more information.