Name: Volcanic Trail
Rating: 5.0

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Features Birding · Views

Description

You can enjoy views of Siesta Valley, which were formed by volcanic activity in the area. The trail is part of the self-guided tour of Round Top, and contains several stops to view geological formations.

Flora & Fauna

Hawks and lizards.

Contacts

Land Manager: East Bay Regional Park District (CA)

Shared By:

Wendy Wheeler

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Trail Ratings

5.0 from 1 vote

#1

in Sibley Volcanic Regional Preserve

#2643

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5.0 from 1 vote

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542 Since Jun 4, 2018

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Sign #8: "This huge, reddish-brown block of lava fell from the cliffs to the upper right. The lava cooled and hardened while it was still moving, resulting in dramatic fragmentation, known as "autobrecciation" (self broken)."

Jun 3, 2018 near Orinda, CA

Nov 28, 2020 near Orinda, CA

Nov 28, 2020 near Orinda, CA

Jun 11, 2018 near Orinda, CA

Jun 2, 2018 near Orinda, CA

Jun 2, 2018 near Orinda, CA

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Volcanic Trail

“Volcanoes formed this area. ”

1.0

1.6

95%

1,570' 478 m

1,390' 424 m

188' 57 m

33' 10 m

4%

12%

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Know This Trail?

Dogs Leashed

Features Birding · Views

Description

Flora & Fauna

Contacts

Shared By:

Trail Ratings

#1

#2643

#1

#272

#2,643

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