S P (Sh*t Pot) Crater

Cool cinder cone with awesome lava flow. With an age of 71,000 years, SP Mountain is the youngest volcanic feature in the northern part of the San Francisco volcanic field. This basaltic andesite cone has a sharp rimmed profile, radial symmetry, and steep flanks, all characteristic of a young volcanic feature. The cone is made of bombs and lapilli. The base of the cone is 3,900 feet (1,200 m) across and 820 feet (250 m) tall.

It's name is honesty Sh*t Pot Crater. We're not making this up.