National Park Service LogoU.S. Department of the InteriorNational Park ServiceNational Park Service
National Park Service: U.S. Department of the InteriorNational Park Service Arrowhead
 
 
Support the National Park Service
Pinnacles National MonumentTalus in the Balconies Cave
view map
text size:largestlargernormal
printer friendly
Pinnacles National Monument
Schedule Of Events
Find Events at Pinnacles National Monument
 Days with events are lit in green. Hover
 your mouse over them for details. National Park Service - Events
    May 2009   
SMTWTFS
     
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
You may also search for upcoming events at this park using the search form below.

Search for events occurring from: to...
Keywords (optional):
A close-up view of rhyolite breccia  

Did You Know?
Rhyolitic breccia is the rock that the High Peaks and other rock formations at Pinnacles are made of. Rhyolite breccia is composed of lava sand, ash, and angular chunks of rock that were explosively ejected from the Pinnacles Volcano.

Disclaimer Accessibility Privacy Policy FOIA Notices USA.gov

Last Updated: July 25, 2006 at 00:22 EST