Vallecito Wash is a wash part of Vallecito Creek, a tributary stream of Carrizo Creek, in San Diego County, California.
Vallecito Wash has its source on the east side of the Cuyamaca Mountains, at an elevation of 2549feet, at the junction of Oriflamme Canyon and Rodriguez Canyon at 33.0181°N -116.4814°W. It then trends southeast about 4 miles through Mason Valley to its southeast end at an elevation of 1955feet, where it continues as Vallecito Creek. The Vallecito Wash trail is suitable for scenic driving year round.[1]