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Exploration and Evaluation Assets - Disclosure of costs related to the properties (Details)
 12 Months Ended
Apr. 30, 2024
CAD ($)
Apr. 30, 2023
CAD ($)
Apr. 30, 2022
CAD ($)
Apr. 30, 2022
USD ($)
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance $ 162,731,725      
Ending Balance 208,706,494 $ 162,731,725    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 162,731,725      
Additions 34,318,351 37,144,538    
Exploration assets before exchange rate effect 190,627,503 156,309,152 $ 119,164,614 $ 118,789,742
Effect of change in exchange rate 18,078,991 (6,422,573)   $ (374,872)
Effect of change in exchange rate, Additions 11,656,418 (6,797,445)    
Exploration costs, Additions, Total 45,974,769 43,941,983    
Ending Balance 208,706,494 162,731,725    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Cash [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 26,140,301 19,744,301    
Additions 0 6,396,000    
Ending Balance 26,140,301 26,140,301    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Effective settlement of loans receivables [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 1,190,024 1,190,024    
Additions 0 0    
Ending Balance 1,190,024 1,190,024    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Shares to be issued [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 58,146,988 58,146,988    
Additions 882,830 0    
Ending Balance 59,029,818 58,146,988    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Acquisition Costs Subtotal [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 85,477,313 79,081,313    
Additions 882,830 6,396,000    
Ending Balance 86,360,143 85,477,313    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Analysis [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 8,302,436 5,166,595    
Additions 3,069,729 3,135,842    
Ending Balance 11,372,165 8,302,436    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Depreciation [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 77,662 23,951    
Additions 94,996 53,711    
Ending Balance 172,658 77,662    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Drilling [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 35,608,933 20,936,016    
Additions 12,867,027 14,672,917    
Ending Balance 48,475,960 35,608,933    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Ejido Rights [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 421,243 421,243    
Additions 0 0    
Ending Balance 421,243 421,243    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Engineering consulting [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 1,184,053 671,537    
Additions 47,252 512,516    
Ending Balance 1,231,305 1,184,053    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Equipment [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 2,400,740 1,306,386    
Additions 1,590,199 1,094,354    
Ending Balance 3,990,939 2,400,740    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Field Cost [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 6,053,420 4,342,210    
Additions 2,754,630 1,711,210    
Ending Balance 8,808,050 6,053,420    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Geological Consulting [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 8,133,775 4,203,068    
Additions 5,571,329 3,930,707    
Ending Balance 13,705,104 8,133,775    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Geophysical survey [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 158,542 0    
Additions 3,693 158,542    
Ending Balance 162,235 158,542    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Geotech [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 0 0    
Additions 182,599 0    
Ending Balance 182,599 0    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | GIS management [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 203,054 0    
Additions 164,414 203,054    
Ending Balance 367,468 203,054    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Land and reclamation fees [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 0 0    
Additions 20,727 0    
Ending Balance 20,727 0    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Maintenance [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 849,862 396,939    
Additions 811,532 452,923    
Ending Balance 1,661,394 849,862    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Metallurgical testing [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 0 0    
Additions 134,005 0    
Ending Balance 134,005 0    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Other consulting [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 0 0    
Additions 42,760 0    
Ending Balance 42,760 0    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Project development [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 0 0    
Additions 5,391,840 0    
Ending Balance 5,608,277 0    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Rent of land [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 386,648 239,695    
Additions 0 146,953    
Ending Balance 386,648 386,648    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Special project [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 0 0    
Additions 43,408 0    
Ending Balance 43,408 0    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Travel and miscellaneous [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 7,051,471 2,375,661    
Additions 645,381 4,675,810    
Ending Balance 7,696,852 7,051,471    
Canam Alpine Ventures Ltd [Member] | Panuco Copala Property [Member] | Subtotal [Member]        
Disclosure Of Exploration And Expenditure Assets [Line Items]        
Beginning Balance 70,831,839 40,083,301    
Additions 33,435,521 30,748,538    
Ending Balance $ 104,267,360 $ 70,831,839