The Chico/Northern Butte County Recycling Market Development Zone (RMDZ) is located in the fertile Sacramento Valley, 60 miles north of Sacramento and approximately 120 miles northeast of San Francisco. Bordered by the Sacramento River to the west and Sierra Nevada foothills to the east, the region has a wealth of natural resources, and contains some of the richest agricultural land in the nation. Chico is the largest of the five incorporated cities in Butte County. The Chico/Northern Butte County RMDZ encompasses approximately 130 square miles in the northern portion of the county. It includes the City of Chico and adjacent industrial property and additional unincorporated county areas west and south of the sphere.