Cover - USD ($)	12 Months Ended
	Nov. 30, 2022	Feb. 28, 2023	May 31, 2022
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Nov. 30, 2022
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--11-30
Entity File Number	000-55517
Entity Registrant Name	PUREBASE CORPORATION
Entity Central Index Key	0001575858
Entity Tax Identification Number	27-2060863
Entity Incorporation, State or Country Code	NV
Entity Address, Address Line One	8631 State Highway, 124
Entity Address, City or Town	Ione
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95640
City Area Code	(209)
Local Phone Number	274-9143
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 11,955,933
Entity Common Stock, Shares Outstanding		230,453,005
ICFR Auditor Attestation Flag	false
Auditor Firm ID	76
Auditor Name	Turner, Stone & Company, L.L.P
Auditor Location	Dallas, Texas