Are there any cabins to stay in directly amongst the trees in the the park?

There are campgrounds near the coast where you can plan your night stay. Haven't seen any cabins there.

There arr cabins south of gatberville near Richardson's grovevstate park and near benbiw valley.

Yes we stayed at one by a convenient store. On hwy 101. 5 or so cabins. Found online through the parks dept.

No cabins or yurts in the state campgrounds that we know of. I would try private campgrounds on or near the coast in the area. Maybe in Weott, Redcrest, Miranda, Garberville....