I need to pick the brains of some of the NW forum members. I will be heading to Olympic NP from Mt Ranier in August. I have been there only once and it was a two day whirlwind in the fog and rain. Ha...
I don't have a favorite. There are places to camp including along the ocean which is my preference. There are lots of books about day hiking in WA. You can hike near the ocean as well. Also take a look at WA State Park sites. You should consider taking a ferry over to Victoria from Port Angeles. Do not bring guns to Canada.
Don't count on having cell coverage. Keep in mind that fuel stations can be very far apart!