Table 3 -- Areas by Region
Region No. of Gross NFS Other
  Unit Name Units Acreage Acreage Acreage
Pacific Southwest (5)
Angeles NF 693,667 668,059 25,608
Cleveland NF 567,910 437,355 130,555
Eldorado NF * 884,713 681,023 203,690
Inyo NF * 2,003,110 1,902,035 101,075
     Inyo Special Area 45,345 45,345 0
Klamath NF * 1,913,264 1,737,694 175,570
Lassen NF 1,374,945 1,070,344 304,601
Los Padres NF 1,962,743 1,761,278 201,465
Mendocino NF 1,079,971 911,653 168,318
Modoc NF 1,979,327 1,663,401 315,926
Plumas NF 1,400,895 1,175,998 224,897
San Bernardino NF 818,999 671,686 147,313
Sequoia NF 1,192,680 1,143,562 49,118
Shasta NF 1,634,896 1,166,149 468,747
Sierra NF 1,412,801 1,311,913 100,888
Six Rivers NF 1,118,247 989,038 129,209
Stanislaus NF 1,090,039 898,121 191,918
Tahoe NF 1,238,425 870,190 368,235
Trinity NF 1,179,098 1,043,677 135,421
National Forests 18 23,591,075 20,148,521 3,442,554
Eldorado PU 180 180 0
Guatay Mtn PU 522 522 0
Northern Redwood PU 145,290 1,597 143,693
Sur Sur PU 1,697 1,697 0
Purchase Units 4 147,689 3,996 143,693
Butte Valley NGL 18,425 18,425 0
National Grasslands 1 18,425 18,425 0
Fire Res. Lab. EA 10 10 0
Inst. of Forest Genetics EA 194 194 0
San Joaquin EA 4,580 4,580 0
Research and Experimental Areas 3 4,784 4,784 0
Angeles OTH 629 629 0
Cleveland OTH 16 16 0
Eldorado OTH 1,683 1,683 0
Humboldt Nursery Site OTH 223 223 0
Inyo OTH 9 9 0
Klamath OTH 716 716 0
Lassen OTH 267 267 0
Los Padres OTH 504 504 0
Mendocino OTH 12 12 0
Modoc OTH 95 95 0
Plant Introduction Station OTH 209 209 0
Plumas OTH 521 521 0
San Bernardino OTH 707 707 0
Sequoia OTH 29 29 0
Shasta OTH 84 84 0
Sierra OTH 134 134 0
Stanislaus OTH 279 279 0
Tahoe OTH 123 123 0
Trinity OTH 33 33 0
Other Areas 19 6,273 6,273 0
Region 5 Totals 45 23,768,246 20,181,999 3,586,247
* Unit is in two or more states
           
https://www.fs.usda.gov/land/staff/lar/LAR05/table3_r5.htm