Given the recent discussion on Hwy 395 as a suitable course to Conclave I (re-)found this site I'd bookmarked a while ago. Road looks to be paved; looks like it would be an interesting day/side trip. https://www.sfgate.com/travel/article/california-ghost-town-tiktok-underwood-cerro-gordo-15970036.php?IPID=SFGate-HP-CP-Spotlight