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|   From the Depth - Crater Lake, OR
in Oregon Historical Markers 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 location: Oregon date approved: 08/13/2018 last visited: 11/27/2020 |
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| Prelude to the Big One - Crater Lake, OR in Oregon Historical Markers 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 location: Oregon date approved: 08/13/2018 last visited: 11/27/2020 |
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| You are inside a volcano - Crater Lake, OR in Oregon Historical Markers 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 location: Oregon date approved: 08/13/2018 last visited: 11/27/2020 |
 view galleryE0 km | Anchored in Time - Crater Lake, OR in Oregon Historical Markers 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 location: Oregon date approved: 08/13/2018 last visited: 11/27/2020 |
 view galleryE0 km | The Filling of the Lake - Creater Lake, OR in Oregon Historical Markers 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 location: Oregon date approved: 08/13/2018 last visited: 11/27/2020 |
 view galleryE0 km | Castle on the Cliff - Crater Lake, OR in Oregon Historical Markers 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 location: Oregon date approved: 08/13/2018 last visited: 11/27/2020 |
 view galleryE0 km | The Aftermath - Crater Lake, OR in Oregon Historical Markers 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 location: Oregon date approved: 08/13/2018 last visited: 11/27/2020 |
 view galleryE0 km | Rising From the Ashes - Crater Lake, OR in Oregon Historical Markers 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 location: Oregon date approved: 08/13/2018 last visited: 11/27/2020 |
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| Mt. Mazama (1) in Oregon Historical Markers One of two identical geologic history signs about Mt. Mazama in the Rim Village area at Crater Lake N.P. posted by: Volcanoguy location: Oregon date approved: 11/05/2009 last visited: 11/27/2020 |
 view galleryW0.3 km | Mt. Mazama (2) in Oregon Historical Markers One of two identical geologic history signs about Mt. Mazama in the Rim Village area at Crater Lake N.P. posted by: Volcanoguy location: Oregon date approved: 11/05/2009 last visited: 11/27/2020 |
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| Discovery Point in Oregon Historical Markers History sign on West Rim Drive about the discovery of Crater Lake. posted by: Volcanoguy location: Oregon date approved: 11/05/2009 last visited: 11/27/2020 |
 view galleryNW4.2 km | Bottomless Lake? in Oregon Historical Markers Sign about the 1886 expedition to measure the depth of Crater Lake. posted by: Volcanoguy location: Oregon date approved: 09/09/2009 last visited: 11/27/2020 |
 view galleryNW4.3 km | After The Collapse in Oregon Historical Markers Geologic history sign at Wizard Island Overlook on West Rim Drive. posted by: Volcanoguy location: Oregon date approved: 11/06/2009 last visited: 11/27/2020 |
 view galleryNW4.3 km | Before The Collapse in Oregon Historical Markers Geologic history sign at Wizard Island Overlook on West Rim Drive. posted by: Volcanoguy location: Oregon date approved: 11/06/2009 last visited: 11/27/2020 |
 view galleryNW4.3 km | Cascade Volcanoes in Oregon Historical Markers Geologic history sign on Wet Rim Drive about Cascade Volcanoes visible to the south. posted by: Volcanoguy location: Oregon date approved: 11/06/2009 last visited: 11/27/2020 |
 view gallery SW5.3 km
| Pacific Crest Trail - Crater Lake National Park - Crater Lake, OR in Oregon Historical Markers A plaque along the Pacific Crest Trail at Crater Lake NP. posted by: saopaulo1 location: Oregon date approved: 08/24/2018 last visited: never |
 view galleryE5.8 km | Phantom Ship in Oregon Historical Markers Geologic history sign at the Phantom Ship Overlook. posted by: Volcanoguy location: Oregon date approved: 11/10/2009 last visited: 07/13/2013 |
 view gallery N5.8 km
| Glacial Valleys in Oregon Historical Markers Geologic history sign at Glacial Valleys Viewpoint on West Rim Drive.
posted by: Volcanoguy location: Oregon date approved: 11/07/2009 last visited: 11/27/2020 |
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| Fossil Fumaroles in Oregon Historical Markers Geologic history sign about the formation of fossil fumaroles along Annie Creek. posted by: Volcanoguy location: Oregon date approved: 11/04/2009 last visited: 11/27/2020 |
 view galleryE7.2 km | Pumice Castle in Oregon Historical Markers Geologic history sign about the Pumice Castle. posted by: Volcanoguy location: Oregon date approved: 11/10/2009 last visited: 07/27/2021 |
 view galleryNE8.7 km | The Lake in Legend in Oregon Historical Markers History sign at Skell Head about “The Lake in Legend”. posted by: Volcanoguy location: Oregon date approved: 11/10/2009 last visited: 11/27/2020 |
 view galleryE9 km | Mount Scott in Oregon Historical Markers Geologic history sign about Mount Scott. posted by: Volcanoguy location: Oregon date approved: 11/10/2009 last visited: 11/27/2020 |
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| The Pinnacles in Oregon Historical Markers Geologic history sign at The Pinnacles Overlook.
posted by: Volcanoguy location: Oregon date approved: 11/11/2009 last visited: 12/12/2011 |
 view galleryN13 km | Pumice Desert in Oregon Historical Markers Geologic history sign at the Pumice Desert Viewpoint along the North Entrance Road. posted by: Volcanoguy location: Oregon date approved: 11/07/2009 last visited: 05/06/2023 |
 view gallerySE14 km | A New Look for the Old East Entrance to Crater Lake National Park in Oregon Historical Markers History sign about the old East Entrance to Crater Lake National Park, located at the Pinnacles Trailhead (Winema N.F.). posted by: Volcanoguy location: Oregon date approved: 11/03/2009 last visited: 11/27/2020 |
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