Pecho Creek, originally known as Arroyo Del Pecho or Cañada del Pecho, is a stream in San Luis Obispo County, California.
Pecho Creek has its source is in the Irish Hills, at 35.2211°N -120.7719°W, 1.2miles east-southeast of Saddle Peak, at an elevation of 1360abbr=offNaNabbr=off. The stream flows south-southwest to its mouth at the Pacific Ocean, 1.7miles west-northwest of San Luis Hill. Its mouth is at sea level in the Pacific Ocean.
Pecho Creek was part of the eastern boundary of the Rancho Pecho y Islay, and of subsequent Rancho Cañada de los Osos y Pecho y Islay when it was consolidated with the Rancho Cañada de los Osos in 1845. It was part of the western border of the Rancho San Miguelito.