Sign up for geology trip- Ptarmigan Ridge, Mount Baker

We'll learn how platey jointing and columnar jointing forms.

We’ll learn how platy jointing and columnar jointing form.

The view west from the Ptarmigan Ridge Trail.

The view west from the Ptarmigan Ridge Trail.

Dave Tucker will lead a one-day geology hike on Ptarmigan Ridge, near the Mount Baker Ski Area. The trip is organized by North Cascades Institute.

September 29, all day. $95 includes trip guide and transport from Glacier Ranger Station.

This hike will explore the gorgeous volcanic landscape on the east side of Mount Baker- Kulshan caldera ash flow tuff, post-caldera rhyolite domes, Table Mountain and Ptarmigan Ridge lava flows, volcanic ash deposits (Baker and Crater Lake). Mount Shuksan is just east of us, so we can also discuss terrane accretion. The hike is above tree line on the Ptarmigan Ridge Trail, elevation gain is around 500 feet, total round trip distance of 10 miles but probably less. There are 6 spaces left for this trip. The September 28 trip is full.

NCI website for the trip: http://ncascades.org/signup/programs/mount-baker-the-story-of-volcanoes-ii-ph

Registration: http://ncascades.org/signup/programs/mount-baker-the-story-of-volcanoes-ii-ph/program-registration

Questions? Contact NCI, or Dave Tucker directly.

email address to send reports and photos. I'll credit you.

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