Description

The [Old Crow flood hazard mapping study](https://floods.service.yukon.ca/pages/final-flood-maps) was completed between April 2024 and May 2025. Learn more by visiting the [Yukon Flood Hub](https://floods.service.yukon.ca). In the resources section below, you can find the project summary, technical report, "What We Heard" report, GIS data files, and flood maps for specific areas. "AEP" in the flood map filenames below refers to "Annual Exceedance Probability", the annual likelihood of a flood occurring, expressed as a percentage. The flood scenarios used for mapping in the Yukon are the following: - 0.5% event (1-in-200 chance of occurring in any year), - 1% event (1-in-100 chance of occurring in any year), and - 5% event (1-in-20 chance of occurring in any year). 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 - [Carmacks flood hazard maps](https://open.yukon.ca/data/carmacks-flood-hazard-maps) - [Dawson City / Klondike Valley flood hazard maps](https://open.yukon.ca/data/dawson-city-klondike-valley-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) - [Upper Liard flood hazard maps](https://open.yukon.ca/data/upper-liard-flood-hazard-maps)

Resources

Name	Format	Description	Link
Old Crow map viewer	HTML		https://experience.arcgis.com/experience/b224d6c6c8c74ff08c0335b8fb0a2daa
Old Crow project summary	PDF		https://map-data.service.yukon.ca/WRB_Flood_Maps/OldCrow/20250521-Old_Crow-Plain_language_summary.pdf
Old Crow "What We Heard" report	PDF		https://map-data.service.yukon.ca/WRB_Flood_Maps/OldCrow/20250521-What%20We%20Heard-Old_Crow_flood_mapping.pdf
Old Crow technical report	PDF		https://map-data.service.yukon.ca/WRB_Flood_Maps/OldCrow/20250522%20NHC%20Old%20Crow%20Flood%20Study.pdf
Old Crow FGDB (file geodatabase) data	Unknown		https://map-data.service.yukon.ca/WRB_Flood_Maps/OldCrow/_GIS%20Data/OldCrow.fgdb.zip
Old Crow SHP (shapefile) data	ESRI Shape		https://map-data.service.yukon.ca/WRB_Flood_Maps/OldCrow/_GIS%20Data/OldCrow.shp.zip
Old Crow flood hazard mapbooks	HTML		https://map-data.service.yukon.ca/WRB_Flood_Maps/OldCrow/Mapbooks/
Old Crow 0.5% AEP flood hazard maps	HTML		https://map-data.service.yukon.ca/WRB_Flood_Maps/OldCrow/Old%20Crow%200.5%25%20Flood%20Hazard%20Maps/
Old Crow 1% AEP flood hazard maps	HTML		https://map-data.service.yukon.ca/WRB_Flood_Maps/OldCrow/Old%20Crow%201%25%20Flood%20Hazard%20Maps/
Old Crow 5% AEP flood hazard maps	HTML		https://map-data.service.yukon.ca/WRB_Flood_Maps/OldCrow/Old%20Crow%205%25%20Flood%20Hazard%20Maps/
Old Crow flood hazard map index	PDF		https://map-data.service.yukon.ca/WRB_Flood_Maps/OldCrow/OldCrow_Flood_Hazard_Maps_Index.pdf
Original metadata (https://open.yukon.ca)	HTML		https://open.yukon.ca/data/880e0c87-3042-4f15-97ea-fafc0e483963

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