Document and Entity Information (USD $)	12 Months Ended
	Aug. 31, 2013	Dec. 04, 2013	Feb. 28, 2013
Document Type	10-K
Amendment Flag	false
Document Period End Date	Aug. 31, 2013
Trading Symbol	enrt
Entity Registrant Name	Enertopia Corp.
Entity Central Index Key	0001346022
Current Fiscal Year End Date	--08-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		44,084,415
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well Known Seasoned Issuer	No
Entity Public Float			$ 1,081,884
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	FY