Cross Marin Trail 🌲 Samuel P Taylor State Park Campground to Southern Park exit 🌲

Cross Marin Trail from Samuel P Taylor State Park Campground ( komoot.com/highlight/198026 ) to the Southern Park exit at Sir Francis Drake Blvd is a paved two lane bike trail following the old railbed of the defunct en.wikipedia.org/wiki/North_Pacific_Coast_Railroad along Lagunitas Creek through towering redwood forests roughly parallel to the Boulevard. It is part of the Pacific Coast Bike trail PCB.
Where it crosses Sir Francis Drake Blvd in the south it connects with the gravel trails to Shafter Grade, Peters Dam, and San Geronimo Ridge a little to the right across the road (see komoot.com/tour/13627077 ).
It also continues north from the Campground to the Northern Park exit ( komoot.com/highlight/198015 ) where it follows along Lagunitas Creek on Platform Bridge Road a little to the right across Sir Francis Drake Blvd. Or simply turn west on Drake to go to Olema and Point Reyes (see komoot.de/tour/13627076 ).

Lovely bit of smooth dirt trail