Grapevine is an unincorporated community in Kern County, California, United States, at the southern end of the San Joaquin Valley. The small village is directly adjacent to Interstate 5 and consists mainly of gas stations, motels an other travelers roadside services. At an elevation of 1,499 feet, the community is located at the foot of a grade known as t…Grapevine is an unincorporated community in Kern County, California, United States, at the southern end of the San Joaquin Valley. The small village is directly adjacent to Interstate 5 and consists mainly of gas stations, motels an other travelers roadside services. At an elevation of 1,499 feet, the community is located at the foot of a grade known as the Grapevine that lies in Grapevine Canyon through the Tejon Pass.