many unmapped paths along this section of 510

private road start

Is this gate accessible by vehicles? Please add the access tags accordingly.

Spot known as westernmost accessible point in California here.

This bit of Old 101 is still officially a state highway (101U), I believe until Caltrans has resolved issues with the landslide.

Is there a fire station there?

Rivendell, Angelo Coast Range Reserve

What happened to Mackerricher State Park?

Some kind of hiking trail going south from the road here? Saw it while driving by but didn't get a good look.

talmage office park (415-419)