Meet volunteer Richard Potashin at the Mobius Arch Trail parking lot and learn about the history of the Sierra Nevada, Inyo Mountains, and Alabama Hill through the names of their peaks and valleys.

• All programs are free of charge.

• Programs are outside and subject to cancellation without warning.

• Children must be accompanied by an adult on all programs.

• Wear sturdy walking shoes, dress for changing weather including a hat, bring water, snacks, sunscreen, and your curiosity.