Historical Sites in Unincorporated Trinity County 8 Historical Sites in Unincorporated Trinity County Unincorporated Trinity County SearchAll (61)Restaurants (1)Breweries, wineries & distilleries (1)Hotels & lodging (22)Parks & nature (6)Government Offices (1)Medical Clinics & Doctor Offices (1)Schools (K-12) (3)Historical Sites (8)Marinas (3)Convenience Stores (1)Event Venues & Spaces (2)Preschools & Daycare Centers (1)Big Flat Raft Historical SitesState Highway 299Bowerman Barn Historical SitesEmerald Lake (Trinity County, California) Historical SitesHall City Cave Historical SitesLa Grange Mine Historical SitesTodd Ranch Historical SitesTodd Ranch South Fork RdTrinity Dam Historical SitesWhiskeytown Dam Historical Sites