Cameron Park Airport (O61) single paved runway is 13 / 31. Be mindful that Runway 31 has a displaced threshold that is approximately 1,500 feet down the runway! Similarly, there is also a displaced threshold on Runway 13 of 200 feet. Please observe the displaced thresholds!
There are parallel streets on both sides of the runway. DO NOT CONFUSE ROADS AND STREETS WITH THE RUNWAY! See a view of the airport from the south here for subtle hints to identifying the runway...!
The airport is part of the U.S. Airway system and is open to the public as a Public Use Airport. O61 is charted on the SFO Sectional.