Document and Entity Information	6 Months Ended
	Feb. 28, 2019 shares
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Feb. 28, 2019
Trading Symbol	enrt
Entity Registrant Name	Enertopia Corp.
Entity Central Index Key	0001346022
Current Fiscal Year End Date	--08-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding	121,964,931
Entity Current Reporting Status	Yes
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Entity Small Business	true
Entity Emerging Growth Company	false