Hiking Project Logo

Sibley Volcanic Regional Preserve

Area suggestions or local tips? Tell us!

Zoom in to see details
Map Key

Weather Averages


High
 
Low
 
Precip
 
Days w/
 
J F M A M J J A S O N D

7 mi 11 km of trail 1 Featured Hike

Easy Trails 7 Trails Intermediate Trails 2 Trails Hard Trails 0 Trails

Area suggestions or local tips? Tell us!
Hiking Project is built by hikers like you.
Share what you know about this area with the community.

Featured Hikes in Sibley Volcanic Regional Preserve - 1

Hiking Project is built by hikers like you. Add Your Hikes

Favorite 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)."
Intermediate

Educational Loop

4.3 mi 6.9 km • Out and Back • 622 ft Ascent 189.54 m Ascent

(3) Orinda, CA

Trails in Sibley Volcanic Regional Preserve - 8

Hiking Project is built by hikers like you. Add Your Trails

1.0 mi 1.6 km #1Volcanic Trail
Easy
Orinda, CA
Easy
1.0 mi 1.6 km Orinda, CA
1.5 mi 2.5 km #2Round Top Loop Trail
Easy/Intermediate
Orinda, CA
Easy/Intermediate
1.5 mi 2.5 km Orinda, CA
0.6 mi 1.0 km #3Quarry Trail
Easy
Orinda, CA
Easy
0.6 mi 1.0 km Orinda, CA
0.4 mi 0.7 km #4Pond Trail
Easy/Intermediate
Orinda, CA
Easy/Intermediate
0.4 mi 0.7 km Orinda, CA
0.1 mi 0.2 km #5Water Tower Spur Trail
Easy
Orinda, CA
Easy
0.1 mi 0.2 km Orinda, CA
1.1 mi 1.7 km #6Skyline Trai: Old Tunnel Rd - Fish Ranch Rd
Easy/Intermediate
Orinda, CA
Easy/Intermediate
1.1 mi 1.7 km Orinda, CA
1.4 mi 2.2 km #7Skyline Trail: Sibley - Huckleberry
Intermediate/Difficult
Orinda, CA
Intermediate/Difficult
1.4 mi 2.2 km Orinda, CA
0.9 mi 1.5 km #8Skyline Trail: Sibley - Old Tunnel Road
Intermediate
Orinda, CA
Intermediate
0.9 mi 1.5 km Orinda, CA

Photos of Sibley Volcanic Regional Preserve - 16

Hiking Project is built by hikers like you. Add Your Photos

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
Sign #11: Siesta Valley
Jun 3, 2018 near Orinda, CA
View from the Water Tank
Jun 3, 2018 near Orinda, CA
Sign #1: "dark basalt dike, a feeder of lava to the crater, that cuts through a sequence of tuffbreccias (grayish brown) and pebbly mudstones (light gray), inside and near the crater bottom."
Jun 3, 2018 near Orinda, CA
Fog burning off over the hills.
Jul 21, 2019 near Orinda, CA
Sibley Volcanic Regional Preserve
Jun 11, 2018 near Orinda, CA
Wind at the top
Jun 11, 2018 near Orinda, CA
EBMUD Water Tank
Jun 3, 2018 near Orinda, CA

Classes & Events Near You

Find More Classes and Events

Shop REI Adventures

Find More REI Adventures


Hiking Project is part of the REI Co-op family,
where a life outdoors is a life well lived.

Shop REI Hiking