Alex Rorabaugh Recreation Center (ARRC) Share: Non-Profit Organizations Alex Rorabaugh Recreation Center (ARRC) Visit Website 1640 S. State St #1 Ukiah, CA 95482 707-462-8562 About Map About The ARRC is a nonprofit community organization that operates a 21,000-square-foot recreation center and gymnasium. The ARRC's mission is to offer a safe and fun place for children and adults in Ukiah. What's Nearby? Distance: 5 10 15 20 25 50 mi.