Valley of Ten Thousand Smokes The ash-filled valley covers a area. The ash can be up to deep. In places deep canyons have been cut by the River Lethe, allowing observers to see the ash flow strata. Since the ash has cooled, most of the fumaroles are now extinct and despite its name the valley is no longer filled with 'smoke' (i.e. steam). Vegetation still does not grow in the valley. The signs of volcanic activity are still visible on nearby hills. Katmai's most recent eruption was in 1927, but there have been non-eruptive events as recent as 2003. The Alaska Volcano Observatory still monitors
Valley of Ten Thousand Smokes the Moon game", involved pairing up astronauts and placing them in a location with very little prior information. They then planned traverses and collected representative samples. They communicated with their geologist instructors via radio. Astronauts who would use this training on the Moon included Apollo 11's Buzz Aldrin, Apollo 12's Alan Bean, Apollo 14's Edgar Mitchell, Apollo 15's James Irwin, Apollo 16's Charlie Duke, and Apollo 17's Gene Cernan and Jack Schmitt. Notable geologist instructors included Garniss Curtis and Gene Shoemaker. Valley of Ten Thousand Smokes The Valley of Ten Thousand Smokes is a valley within Katmai National Park and