Park Alerts [updated on 04/27/21]
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The Summit and Mitchell Canyon Visitor Centers are open with limited hours and capacity.
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All park visitors must distance themselves from others by the required 6 feet. Stay Safe.
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Water Shortage: All visitors are encouraged to bring water for consumption during their visit. Plan Ahead.
Take a Multimedia Tour of Mount Diablo
PRESERVATION THROUGH EDUCATION
Butterflies A-Z
Acmon Blue
Blues, Coppers, Hairstreaks
American Lady
Brushfoots
Anise Swallowtail
Swallowtails
Behr's Silvery Blue
Blues, Coppers, Hairstreaks
Boisduval's Blue
Blues, Coppers, Hairstreaks
Cabbage White
Whites, Sulfurs
California Hairstreak
Blues, Coppers, Hairstreaks
California Pipevine Swallowtail
Swallowtails
California Ringlet
Brushfoots
California Sister
Brushfoots
California Tortoiseshell
Brushfoots
Callippe Fritillary
Brushfoots
Checkered White
Whites, Sulfurs
Columbian Skipper
Skippers
Common Checkered-Skipper
Skippers
Coronis Fritillary
Brushfoots
Echo Azure
Blues, Coppers, Hairstreaks
Edith's Checkerspot
Brushfoots
Fiery Skipper
Skippers
Golden Hairstreak
Blues, Coppers, Hairstreaks
Gorgon Copper
Blues, Coppers, Hairstreaks
Gray Buckeye
Brushfoots
Gray Hairstreak
Blues, Coppers, Hairstreaks
Great Basin Wood-Nymph
Brushfoots
Great Copper
Blues, Coppers, Hairstreaks
Great Purple Hairstreak
Blues, Coppers, Hairstreaks
Hedgerow Hairstreak
Blues, Coppers, Hairstreaks
Large Marble
Whites, Sulfurs
Leanira Checkerspot
Brushfoots
Lindsey's Skipper
Skippers
Lorquin's Admiral
Brushfoots
Lotus Hairstreak
Blues, Coppers, Hairstreaks
Margined White
Whites, Sulfurs
Monarch
Brushfoots
Mormon Metalmark
Metalmarks
Mountain Mahogany Hairstreak
Blues, Coppers, Hairstreaks
Mournful Duskywing
Skippers
Mourning Cloak
Brushfoots
Muir's Hairstreak
Blues, Coppers, Hairstreaks
Mylitta Crescent
Brushfoots
Northern Checkerspot
Brushfoots
Northern White-Skipper
Skippers
Orange Sulphur
Whites, Sulfurs
Painted Lady
Brushfoots
Pale Swallowtail
Swallowtails
Propertius Duskywing
Skippers
Purplish Copper
Blues, Coppers, Hairstreaks
Red Admiral
Brushfoots
Rural Skipper
Skippers
Sachem
Skippers
Sara Orangetip
Whites, Sulfurs
Satyr Comma
Brushfoots
Thicket Hairstreak
Blues, Coppers, Hairstreaks
Two-tailed Swallowtail
Swallowtails
Umber Skipper
Skippers
Variable Checkerspot
Brushfoots
Western Brown Elfin
Blues, Coppers, Hairstreaks
Western Pygmy-Blue
Blues, Coppers, Hairstreaks
Western Tiger Swallowtail
Swallowtails
Woodland Skipper
Skippers