Godfrey Glen and Colonnades - Prominent Geological Features of Crater Lake National Park
With the Pinnacles, this
area ranks as the most significant feature along park roads other than those
along Rim Drive. It is composed of fossil fumaroles marking the site of hot
gasses that rose through the glowing avalanches that once filled the canyon.
There is no better or more convenient place to examine the deposits of the Annie Creek flows than at Godfrey's Glen, a short distance below Annie Spring. In the glen, three layers may easily be distinguished
... [The Annie Creek Flows,
The Geology of Crater Lake National Park, Oregon (1942) by Howell Williams]
Ignibrite of the climactic eruption at Godfrey Glen (left center) on Munson Creek where it meets Annie Creek, viewed from turnout on Highway 62, Crater Lake NP,
Scientific Investigations Map 2832, Sheet 3 of 4,Geologic Map of Mount Mazama and Crater Lake Caldera, Oregon (2008), by Charles R. Bacon
