v3.26.3
Cover
Nov. 11, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 11, 2026
Entity File Number 000-55139
Entity Registrant Name LION COPPER CORP.
Entity Central Index Key 0001339688
Entity Tax Identification Number 98-1664106
Entity Incorporation, State or Country Code A1
Entity Address, Address Line One 517 West Bridge St., Suite A
Entity Address, City or Town Yerington
Entity Address, State or Province NV
Entity Address, Postal Zip Code 89447
City Area Code (775)
Local Phone Number 463-9600
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common shares, without par value
Trading Symbol LCU
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false