Do you have a specific region or type of volcano in mind? Here are some possibilities:
* Mount Shasta: One of the most famous and iconic, it's a massive stratovolcano in the Cascade Range.
* Lassen Peak: The largest active volcano in the contiguous US, it's known for its unique "plug dome" structure.
* Mount Lassen: A large volcanic complex in Lassen Volcanic National Park, with various volcanic features.
* Medicine Lake Volcano: A massive shield volcano in the Cascade Range, with many smaller cones and lava flows.
To help me give you a more specific answer, could you tell me:
* Where in California are you interested in? (Northern, Southern, etc.)
* What type of volcano are you looking for? (Stratovolcano, shield volcano, etc.)
* Are you looking for an active volcano or a dormant one?
Let me know and I can give you a more precise answer!