Bay Checkerspot Butterfly

2007 Proposed Critical Habitat Revision

Unit Maps are in PDF Files smaller than 500 KB.

Overview Map

San Mateo County

• Unit 1 - San Bruno Mountain
• Unit 2 - Pulgas Ridge
• Unit 3 - Edgewood Park
• Unit 4 - Jasper Ridge

Santa Clara County

• Units 5-10
  • Unit 5 - Coyote Ridge
  • Unit 6 - Tulare Hill
  • Unit 7 - Santa Teresa Hills
  • Unit 8 - Calero Reservoir
  • Unit 9 - Kalana Hills
  • Unit 10 - Morgan Hill
• Unit 11 - Bear Ranch
• Unit 12 - San Martin

Currently Designated Critical Habitat Units

For reference, the following maps show the current critical habitat units, which were designated in 2001.

• San Mateo County (3.3 MB PDF)
• Santa Clara County (3.5 MB PDF)