Twin Peaks in San Francisco City and County, California — The American West (Pacific Coastal)

Twin Peaks Natural Habitat

Photographed by Joseph Alvarado, November 14, 2022

1. Twin Peaks Natural Habitat Marker

Inscription. Twin Peaks is the last San Francisco Habitat for the Mission Blue Butterfly (icaricia Icariodes Missionensis), an endangered species that was once commonly found throughout the City. On sunny spring days a few small iridescent blue butterflies may still be seen about this remnant of their former habitat. Preservation of Twin Peaks assures a place for the Mission Blue as well as other native animals and plants that are part of the City’s natural heritage.

Topics. This historical marker is listed in these topic lists: Animals • Environment • Parks & Recreational Areas.

Location. 37° 45.286′ N, 122° 26.781′ W. Marker is in San Francisco, California, in San Francisco City and County. It is in Twin Peaks. It can be reached from Christmas Tree Point Road near Twin Peaks Boulevard. The plaque is mounted to the support wall of Christmas Tree Point at Twin Peaks. Touch for map. Marker is in this post office area: San Francisco CA 94131, United States of America. Touch for directions.

Regionally, this marker is on California’s Coast Ranges.

It is also on the American Pacific Coast.

Globally, it is in North America,

on the Ring of Fire,

in the Pacific Rim,

in the Western Hemisphere,

in the Western World,

and in the Anglosphere.

Historically, it finds itself in what was once New Spain

and also Mexico’s Alta California.

Other nearby markers. At least 8 other markers are within walking distance of this marker: Yukio Mishima (approx. 0.7 miles away); Del Martin (approx. 0.7 miles away); Bayard Rustin (approx. 0.7 miles away); Frida Kahlo (approx. 0.7 miles away); Christine Jorgensen (approx. 0.7

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miles away); Harry Hay (approx. 0.7 miles away); Randy Shilts (approx. 0.7 miles away); Keith Haring (approx. 0.7 miles away). Touch for a list and map of all markers in San Francisco.

Also see . . .
1. ButterflyIdentification.com: Mission Blue. "The Mission Blue is a subspecies of the Boisduval’s Blue Butterfly and has been extremely rare, with their population decreasing dramatically especially because of habitat loss." (Submitted on November 16, 2022, by Joseph Alvarado of Livermore, California.)

2. National Park Service: Mission Blue Butterflies.

"The mission blue butterfly (Icaricia icariodes missionensis) is a unique subspecies of Boiduval’s blue butterfly that was first discovered in San Francisco in 1937."

(Submitted on November 16, 2022, by Joseph Alvarado of Livermore, California.)

3. Golden Gate National Parks Conservancy: Mission Blue Butterfly.

"The Mission blue was added to the Federal Endangered Species List in 1976, and is protected under the Endangered Species Act."

(Submitted on November 16, 2022, by Joseph Alvarado of Livermore, California.)

Twin Peaks Natural Habitat Marker & View of San Francisco image. Click for full size.

Photographed by Joseph Alvarado, November 14, 2022

2. Twin Peaks Natural Habitat Marker & View of San Francisco

Market Street prominently aims toward the plaque.

Mission Blue image. Click for full size.

Photographed by U.S. Fish & Wildlife Service (Free Cultural Works)

3. Mission Blue

View from the Plaque image. Click for full size.

Photographed by Joseph Alvarado, November 14, 2022

4. View from the Plaque

Looking north at the Golden Gate Bridge, Angel Island, and Alcatraz Island.

Photographed by Joseph Alvarado, November 14, 2022

5. View from the Plaque

Sutro Tower.

Photographed by Joseph Alvarado, November 14, 2022

6. View from the Plaque

Golden Gate Bridge.

Photographed by Joseph Alvarado, November 14, 2022

7. View from the Plaque

Angel Island & Alcatraz Island.

Twin Peaks Beautification Project Plaque image. Click for full size.

Photographed by Joseph Alvarado, November 14, 2022

8. Twin Peaks Beautification Project Plaque

Dedicated May 2, 1985
Diane Feinstein, Mayor
Mayor’s Twin Peaks Committee • San Francisco Conservancy Corps • Recreation and Park Commission
Major funding provided by the Open Space Acquisition and Park Renovation Fund
Landscape Architects: MPA Design

Credits. This page was last revised on February 7, 2023. It was originally submitted on November 16, 2022, by Joseph Alvarado of Livermore, California. This page has been viewed 281 times since then and 23 times this year. Photos: 1, 2, 3, 4, 5, 6, 7, 8. submitted on November 16, 2022, by Joseph Alvarado of Livermore, California.