Description

The [Upper Liard flood hazard mapping study](https://floods.service.yukon.ca/pages/final-flood-maps) was completed between May 2025 and March 2026. Learn more by visiting the [Yukon Flood Hub](https://floods.service.yukon.ca). In the Resources section below, you can find the bathymetric data that was collected as part of the flood hazard mapping study. The coordinates (XY) were collected in NAD83 (CSRS) UTM Zone 8 North, while the elevations are orthometric and derived from the vertical datum CGVD2013, Geoid CGG2013a. - Excel spreadsheet with latitude, longitude, elevation and survey codes - ESRI shapefile with latitude, longitude, elevation and survey codes, reprojected to NAD83 Yukon Albers For bathymetric collection specifications, please see the Technical Report in the resources section. For more information see [What is flood mapping?](https://floods.service.yukon.ca/pages/flood-mapping) or email [FloodMapping@yukon.ca](mailto:floodmapping@yukon.ca). ### See also - [Dawson City/Klondike Valley flood hazard maps](https://open.yukon.ca/data/dawson-city-klondike-valley-flood-hazard-maps) - [Old Crow flood hazard maps](https://open.yukon.ca/data/old-crow-flood-hazard-maps) - [Southern Lakes flood hazard maps](https://open.yukon.ca/data/southern-lakes-flood-hazard-maps) - [Teslin flood hazard maps](https://open.yukon.ca/data/teslin-flood-hazard-maps) - [Carmacks flood hazard maps](https://open.yukon.ca/data/carmacks-flood-hazard-maps)

Resources

Name	Format	Description	Link
Upper Liard technical report	PDF		https://map-data.service.yukon.ca/WRB_Flood_Maps/UpperLiard/20260316%20Upper%20Liard%20Flood%20Study%20with%20Appendix.pdf
Original metadata (https://open.yukon.ca)	HTML		https://open.yukon.ca/data/9edaacbd-88a4-48ab-baa8-f42039c6e57a
Upper Liard tabular bathymetric data	ZIP		https://open.yukon.ca/data/9edaacbd-88a4-48ab-baa8-f42039c6e57a/resource/42e968f0-ce5e-4f67-9aed-2694cf0eac6f/download/upperliardtabularbathymetricdata.zip
Upper Liard SHP (shapefile) bathymetric data	ZIP		https://open.yukon.ca/data/9edaacbd-88a4-48ab-baa8-f42039c6e57a/resource/94f8278c-16a1-4b3f-9025-a090512caed5/download/upperliardshapefilebathymetricdata.zip

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