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Document and Entity Information
9 Months Ended
Sep. 30, 2020
Cover [Abstract]  
Entity Registrant Name North American Nickel Inc.
Entity Central Index Key 0000795800
Document Type 6-K
Document Period End Date Sep. 30, 2020
Amendment Flag false
Current Fiscal Year End Date --12-31
Document Fiscal Period Focus Q3
Document Fiscal Year Focus 2020