Santa Ysabel is an unincorporated community in California, in the east half of San Diego County. It is home to Santa Ysabel Asistencia, a Spanish mission. The town is located near the San Diego River just north of the Cleveland National Forest at the junction of Highway 78 and Highway 79. Some other notable sights of the small town are the famous Dudley's Bakery, and a Julian Apple Pie factory. The town serves as a gateway to the mountains of San Diego County, including the Laguna Mountains, Julian, and Palomar Mountain. The ZIP Code is 92070 and the community is inside area code 760.