Hiking, Backpacking, Climbing, Snow Sports and Other Outdoor Activities

Mapping the Wildness of Yellowstone
With Jim Meacham at the September ExploraTalk.

Sunset/Moonrise Hikes
All summer long and into fall too.


The OBSIDIAN Bulletin - 1936 to Present

July Issue  PDF-Adobe Portable Document Format


From the Media

Clearing toppled trees on Ridgeline Trail
 Register Guard  3/13/2019

Available in Members Only:
Submit photos online
Get Obsidian forms & docs
Do you want to join the Obsidians? Get the
Application for Obsidian Membership here.
See the  'Join Us' section for more information.

Go to:
Summer Trips  Climbs  Winter Trips
Bus Trips  Summer Camp Extended Trips  Trail Maintenance  Conservation
Potlucks ExploraTalk

Getting Started with the Obsidians
Get Obsidian Merchandise
To see what has happened:

Visitors Hit Counter

Coming Up
Aug 18 Hike Cape Perpetua
Aug 19 Hike Diamond Pk: PCT, Mt Yoran
Aug 21 Hike Amazon Hdwtrs/Spencer Bt
Aug 23 Hike Scott Mtn Lp
Aug 24 Climb Mount Thielsen
Aug 25 Hike Sweet Cr
Aug 25 Hike Waxmyrtle trail, beach
Aug 27 Hike Broken Top Crater Lk/Tam
Aug 28 Trl Mnt
Aug 28 Hike Amazon Hdwtrs/Spencer Bt
Sep 1 SmCmp Glacier Prk SC
Sep 4 Hike Amazon Hdwtrs/Spencer Bt
Sep 11 Hike Amazon Hdwtrs/Spencer Bt
Sep 12 Hike Mt Pisgah Sunset/Moonrise
Sep 13 CarCmp Waldo Lk Weekend
Sep 17 Expl Tlk Mapping Yellowstone Wilde
Sep 17 Ext Trp Women's Twin Lks

Monthly Events Calendar PDF-Adobe Portable Document Format
Annual Schedule
PDF-Adobe Portable Document Format

Online Trip Signup
To signup for trips, climbs and other activities.
Nonmembers must register first as a guest to access.

Follow us on Facebook