Meet us at the canyon entrance at the intersection of 47th St. and Thorn St. in City Heights. Here is a Google Maps link: https://www.google.com/maps/place/47th+St+%26+Thorn+St,+San+Diego,+CA+92105/@32.7401082,-117.0938693,19.78z/data=!4m5!3m4!1s0x80d9540fd28af3c5:0xdd1cb0e3162af1de!8m2!3d32.7402769!4d-117.094089
Park on Thorn St, follow Thorn St on foot to end of road to entrance of Olivia Canyon also known as 47th St Canyon.