Overview of Crater Lake's bathymetry.

Bathymetry

Bathymetry survey of Crater Lake started on July 28, 2000. Scientists from footer image.USGS, University of New Hampshire's footer image.Center for Coastal and Ocean Mapping, and footer image.National Park Service used the latest high-resolution multi-beam technology to conduct a new survey of the lake bottom.

Crater Lake color bar.

Bathymetry Survey

Click on the following to view and learn more about mapping Crater Lake on July 2000:

Introduction to the Bathymetry Survey

Images from the Bathymetry Survey

Crater Lake Fly-by Movie

Click here for a review of the new and old mapping technology of Crater Lake.

Mapping Crater Lake, July 2000

Mapping Crater Lake, July 1886

For more information, please visit footer image USGS Pacific Seafloor Mapping, Crater Lake.

Crater Lake color bar.

Shaded-relief above and below  Crater Lake.

Data Download

Bathymetry data have been reprojected to the following projection: UTM NAD27 zone 10. The bathymetry data are mosaicked with the 10-m DEM data. The data are provided in a variety of formats for your convenience.

The .dem file is viewable using a USGS program called Dem3D.

2000 Bathymetry Survey

Bathymetry
(2-m resolution, .dem format, 25 MB compressed, 115 MB uncompressed).

Bathymetry
(2-m resolution, ArcInfo grid in .e00 format, 43 MB compressed, 273 MB uncompressed).

Acoustic Backscatter
(2-m resolution, ArcInfo grid in .e00 format, 50 MB compressed, 286 MB uncompressed).

DEM mosaicked with bathymetry
(10-m resolution, .dem format, 28 MB compressed, 103 MB uncompressed).

DEM mosaicked with bathymetry
(10-m resolution, .jpg format with world file, 2 MB compressed and uncompressed).

Metadata for 2000 Bathymetry Survey

For more information please visit the footer image.http://wrgis.wr.usgs.gov/dds/dds-72/site/data.htm.

1959 Bathymetry Survey

Bathymetry
(30-m resolution, .dem format, 420 KB compressed, 3 MB uncompressed).

DEM mosaicked with bathymetry
(30-m resolution, .dem format, 3 MB compressed, 13 MB uncompressed).

Metadata not available for 1959 Bathymetry Survey