Cover - USD ($)	12 Months Ended
	Sep. 30, 2021	Dec. 14, 2021	Mar. 31, 2021
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2021
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Current Fiscal Year End Date	--09-30
Entity File Number	001-39187
Entity Registrant Name	CleanSpark, Inc.
Entity Central Index Key	0000827876
Entity Tax Identification Number	87-0449945
Entity Incorporation, State or Country Code	NV
Entity Address, Address Line One	2370 Corporate Circle
Entity Address, Address Line Two	Suite 160
Entity Address, City or Town	Henderson
Entity Address, State or Province	NV
Entity Address, Postal Zip Code	89074
City Area Code	(702)
Local Phone Number	941-8047
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	CLSK
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 702,832,610
Entity Common Stock, Shares Outstanding		41,447,776
ICFR Auditor Attestation Flag	true
Share Price			$ 23.89