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0 km
One Violent Moment
in Oregon Historical Markers
One of two geologic history sign at the Crater Rim Viewpoint on Ore. Hwy. 230.
posted by: Volcanoguy
location: Oregon
date approved: 11/23/2009
last visited: 08/28/2009
When the “Dust” Settled...
NE7.6 km
Mt. Bailey
Geologic history sign at the Mt. Thielsen Viewpoint on Ore. Hwy. 230.
Mt. Thielsen
SE10.8 km
Pumice Desert
Geologic history sign at the Pumice Desert Viewpoint along the North Entrance Road.
date approved: 11/07/2009
last visited: 05/06/2023
S15.1 km
Glacial Valleys
Geologic history sign at Glacial Valleys Viewpoint on West Rim Drive.
last visited: 11/27/2020
S16.7 km
Before The Collapse
Geologic history sign at Wizard Island Overlook on West Rim Drive.
date approved: 11/06/2009
After The Collapse
S16.9 km
Bottomless Lake?
Sign about the 1886 expedition to measure the depth of Crater Lake.
date approved: 09/09/2009
S17.1 km
Cascade Volcanoes
Geologic history sign on Wet Rim Drive about Cascade Volcanoes visible to the south.
S19.6 km
Discovery Point
History sign on West Rim Drive about the discovery of Crater Lake.
date approved: 11/05/2009
S20.8 km
Mt. Mazama (2)
One of two identical geologic history signs about Mt. Mazama in the Rim Village area at Crater Lake N.P.
S20.9 km
Mt. Mazama (1)
Prelude to the Big One - Crater Lake, OR
One of a few signs at Sinnott Memorial Overlook in Crater Lake National Park. Many of the plaque here deal with the lake's geological history.
posted by: saopaulo1
date approved: 08/13/2018
From the Depth - Crater Lake, OR
You are inside a volcano - Crater Lake, OR
Anchored in Time - Crater Lake, OR
The Filling of the Lake - Creater Lake, OR
Castle on the Cliff - Crater Lake, OR
The Aftermath - Crater Lake, OR
Rising From the Ashes - Crater Lake, OR
SE21.1 km
The Lake in Legend
History sign at Skell Head about “The Lake in Legend”.
date approved: 11/10/2009
SE22.7 km
Pumice Castle
Geologic history sign about the Pumice Castle.
last visited: 07/27/2021
SE23.2 km
Phantom Ship
Geologic history sign at the Phantom Ship Overlook.
last visited: 07/13/2013
SE23.3 km
Mount Scott
Geologic history sign about Mount Scott.