Petaluma KOA Holiday near Penngrove offers full hookups, level pull-through sites, and services like a dump station that are convenient for larger towable rigs. Doran Regional Park provides beachfront camping with RV-accessible sites and water access, making it a scenic option for trailers coming from Penngrove. Sugarloaf Ridge State Park has roomy campsites in a wooded, scenic setting and is a good choice if you’re looking to park a towable and explore trails and overlooks. All three locations are commonly used by travelers based in Penngrove and offer the infrastructure or scenic settings that suit rigged fifth wheels.