TIMBERLINE RESOURCES CORPORATION AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (4,354,275)	$ (1,158,810)
Adjustments to reconcile net loss to net cash used by operating activities:
Deferred income tax provision		68,985
Gain on disposal of equipment		(2,500)
Stock-based compensation	223,000	30,000
.Abandonment of mineral properties	3,231,700
Accretion of asset retirement obligation	5,713	5,441
Gain on sale of available-for-sale securities		(124,086)
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(246,364)	(10,386)
Deposits and other assets	4,050
Accounts receivable	2,633	(2,633)
Accounts payable	(62,662)	(16,986)
Accrued expenses	(1,984)	(34,000)
Accrued payroll, benefits and taxes	(52,038)	9,634
Net cash used by operating activities	(1,250,227)	(1,235,341)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property, mineral rights and equipment	(71,500)	(1,099,800)
Proceeds from sale of property, mineral rights and equipment	100,000
Proceeds from lease of property, mineral rights and equipment	87,424
Proceeds from disposal of equipment		2,500
Proceeds from sale of available-for-sale securities		346,986
Refund of reclamation and road use bonds		405,175
Net cash provided (used) by investing activities	115,924	(345,139)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of units, net	1,421,767	1,957,475
Payments on payment obligation	(51,194)
Proceeds from exercise of warrants		10,000
Net cash provided by financing activities	1,370,573	1,967,475
Net increase in cash and cash equivalents	236,270	386,995
CASH AT BEGINNING OF PERIOD	67,154	82,275
CASH AT END OF PERIOD	$ 303,424	469,270
NON-CASH FINANCING AND INVESTING ACTIVITIES:
Common stock issued for mineral rights		$ 480,000