Four of us (RR, CC, D, MD) rode a Marin Headlands loop this slightly chilly but sunny and clear (an easy view of the Farralones) day. About 26 miles round trip from East SF, at a casual pace.

Approaching the bridge via Embarcadero / Marina:

Climbing Conzelman:

A clear day, quite a view:

Some of us:

Some of us are in the Witness Protection Program:

Heading down a twisty 18% grade along ocean cliffs, sometimes with no idea what would be around the next corner. At least it was a one-way road, with a railing:

We parked our bikes and walked down some paths to Point Bonita, though a tunnel through the final cliff (to the lighthouse) was locked.

Rode by the PUBLIC bike warehouse / shipping center by chance as they had the door open for a customer to pick up an order, poked my head in. Basic city bikes, but some with 8-speed internal hub gearing!