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About the Area

The Forest Service manages vital public lands across California and the Pacific Islands—leading the way with research and restoration here in Region 5. The Pacific Southwest Region and Pacific Southwest Research Station welcome everyone to enjoy these diverse landscapes and share in their stewardship with our dedicated employees. 

Region 5 manages more than 20 million acres of forests and grasslands across California which:

  • Sustain almost 24 million annual visitors and over 40 million California residents;
  • Supply more than half the state's water supply or the equivalent of over 11 trillion gallons of water flows from National Forest upper watersheds; has a $3.2B annual value of water market wholesale by sector in California; which helps support a thriving agricultural economy that generates more than $50 billion annually.
  • Have hydroelectric power plants where more than 10,190 megawatts of installed hydro plant capacity has the ability to meet the power needs of over 7.6 million households.
  • Supply $74 million in lumber and $118 million in forest wood products.
  • More about Nature's Benefits

Regional Overview

The Regional Office staff coordinates activities between national forests, monitors activities on national forests to ensure quality operations, provides guidance for forest plans, and allocates budgets to the forests.

The Pacific Southwest Region is commonly referred to as Region 5 (R5). The R5 Regional Office is in Vallejo, California. 

Last updated May 7th, 2025