If you want some spectacular coastal redwoods and beaches, my favorite area is between Trinidad, CA (just north of Eureka/Arcata bay area) and Crescent City. This is in the Redwood National Park area with lots of beautiful groves. CA State parks Patricks Point near Trinidad & Prairie Creek Redwoods SP (home to a her of magnificent Roosevelt Elk) are two of my favorite areas. There are RV parks near by if the state parks are unavailable, don't have appropriate size sites, or if you want hook ups (the state parks are not always the best for some RV's)
A short side trip - TV only, no trailers allowed - is the dirt road down to Gold Bluffs Beach and Fern Canyon in Prairie Creek Redwoods. It is wild to see the huge elk on the beach eating the grass that grows in the freshwater lagoons formed by the creek in the sand dunes.
South of Eureka Highway 101 turns inland and follows the south fork of the Eel River. There are several CA State parks in the redwoods, the Avenue of the Giants, Benbow lake and Richardson Grove SP.
If you desire, a little Goggle-Foo will find lots of in the forest side roads and things to see, along with the usual "Roadside Attractions."
Enjoy your redwood experience!
Jim & JoAnne
2016 Toyota Tundra SR5 TRD Double Cab
2004 Starcraft 11RT (Replaced by)
2011 Eclipse Milan 18CK Travel Trailer