SUBSIDIARIES (Details)	12 Months Ended
	May 31, 2016	May 31, 2015
Corvus Gold (USA) Inc [Member]
Subsidiary or Equity Method Investee [Line Items]
Country of Incorporation	USA
Principal Activity	Holding company
Effective interest	100.00%	100.00%
Raven Gold Alaska Inc [Member]
Subsidiary or Equity Method Investee [Line Items]
Country of Incorporation	USA
Principal Activity	Exploration company
Effective interest	100.00%	100.00%
Corvus Gold Nevada Inc [Member]
Subsidiary or Equity Method Investee [Line Items]
Country of Incorporation	USA
Principal Activity	Exploration company
Effective interest	100.00%	100.00%
SoN Land & Water LLC [Member]
Subsidiary or Equity Method Investee [Line Items]
Country of Incorporation	USA
Principal Activity	Exploration company
Effective interest	100.00%	100.00%