For the purposes of this article, the Olympic Peninsula region consists of Clallam, Jefferson, western Mason, and Grays Harbor counties. The eastern part of Mason County, including Allyn and Union, is covered by the Kitsap Peninsula article.
If you are looking for a place to stay there are several Bed and Breakfasts and Lodges. There is a ton of things to do. Everyone can check out Explore Hood Canal for complete information on the area. The Hood Canal area has a Free Gas special going on right now for staying overnight. You can also check out the North Mason Chamber of Commerce.