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Districts / Athabasca Basin
Uranium

Athabasca Basin

The Athabasca Basin in northern Saskatchewan hosts some of the highest-grade uranium deposits in the world, including Cameco's McArthur River and Cigar Lake and NexGen's Arrow discovery. Every active mineral disposition, attributed to the holding company with market-cap context and infrastructure scoring.

5,713
Total Claims
74
Companies
8,148,337
Total Hectares
87.1%
Attribution
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Top Companies by Claim Count

Cameco Corporation
Producer
CCO
360
Claims
551,325
Hectares
$46.2B
Mkt Cap
Standard Uranium
Exploration
STND
274
Claims
683,506
Hectares
$12M
Mkt Cap
Orano Canada
Producer (mill operator)
266
Claims
549,930
Hectares
Mkt Cap
IsoEnergy
Exploration / PEA Pending
ISO
264
Claims
262,632
Hectares
$613M
Mkt Cap
CanAlaska Uranium
Exploration
CVV
253
Claims
348,216
Hectares
$106M
Mkt Cap
Atha Energy Corp
Exploration
SASK
246
Claims
802,292
Hectares
$186M
Mkt Cap
Skyharbour Resources
Exploration (Advanced)
SYH
239
Claims
547,704
Hectares
$64M
Mkt Cap
NexGen Energy
Construction Licensed
NXE
174
Claims
192,744
Hectares
$7.5B
Mkt Cap
Eagle Plains Resources
Exploration
EPL
172
Claims
97,861
Hectares
$17M
Mkt Cap
Cosa Resources
Exploration
COSA
168
Claims
257,197
Hectares
$51M
Mkt Cap

Notable Deposits

McArthur River
Uranium

Cameco · 391.9 Mlbs reserve

Cigar Lake
Uranium

Cameco · 208.7 Mlbs @ 18.11% U3O8

Arrow
Uranium

NexGen · 256.7 Mlbs M+I

Wheeler River
Uranium

Denison · Phoenix + Gryphon · 132.2 Mlbs

Hurricane
Uranium

IsoEnergy · 48.61 Mlbs @ 34.5% U3O8

Explore Athabasca Basin

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