Document and Entity Information - USD ($)	12 Months Ended
	Jun. 30, 2021	Sep. 15, 2021	Dec. 31, 2020
Cover [Abstract]
Entity Registrant Name	Paramount Gold Nevada Corp.
Entity Central Index Key	0001629210
Current Fiscal Year End Date	--06-30
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jun. 30, 2021
Trading Symbol	PZG
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Voluntary Filers	No
Entity Shell Company	false
Entity File Number	001-36908
Title of 12(b) Security	Common Stock
Security Exchange Name	NYSEAMER
Entity Tax Identification Number	98-0138393
Entity Incorporation, State or Country Code	NV
Entity Address, Address Line One	665 Anderson Street
Entity Address, City or Town	Winnemucca
Entity Address, State or Province	NV
Entity Address, Postal Zip Code	89445
City Area Code	775
Local Phone Number	625-3600
Document Annual Report	true
Document Transition Report	false
Entity Common Stock Shares Outstanding		40,512,735
Entity Public Float			$ 40,466,768
ICFR Auditor Attestation Flag	false