v3.22.4
Cover - shares
3 Months Ended
Dec. 31, 2022
Feb. 09, 2023
Cover [Abstract]    
Entity Registrant Name TIMBERLINE RESOURCES CORPORATION  
Entity Central Index Key 0001288750  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --09-30  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company false  
Entity Current Reporting Status Yes  
Document Period End Date Dec. 31, 2022  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2023  
Entity Common Stock Shares Outstanding   159,676,152
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-34055  
Entity Incorporation State Country Code DE  
Entity Tax Identification Number 82-0291227  
Entity Address Address Line 1 101 EAST LAKESIDE AVENUE  
Entity Address City Or Town COEUR D’ALENE  
Entity Address State Or Province ID  
Entity Address Postal Zip Code 83814  
City Area Code 208  
Local Phone Number 664-4859  
Security 12b Title Common Stock, $0.001 par value  
Trading Symbol TLRS  
Entity Interactive Data Current Yes