After a few weekends out of town, I’m back to biking.

This Sunday: the China Camp State Park loop in Marin (the road-bikeable route, not the many mountain bike routes). A little under 50 miles round trip from the Presidio Sports Basement. Details TBD (I have some maps to dig up– I’ve never done this route), but here are a few bikely maps for a high-level overview:

Optional extended 61-mile version including Paradise Loop:

But not this crazy 105-mile ride: http://www.bikely.com/maps/bike-path/SF-Invernes-China-Camp-SF