| Document and Entity Information | Oct. 06, 2022 |
| Cover [Abstract] | |
| Document Period End Date | Oct. 06, 2022 |
| Amendment Flag | false |
| Entity Central Index Key | 0001629210 |
| Document Type | 8-K |
| Entity Registrant Name | Paramount Gold Nevada Corp. |
| Entity Incorporation State Country Code | NV |
| Entity File Number | 001-36908 |
| Entity Tax Identification Number | 98-0138393 |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, par value $0.01 per share |
| Trading Symbol | PZG |
| Security Exchange Name | NYSEAMER |
| Entity Emerging Growth Company | false |
