Document and Entity Information	3 Months Ended
	Jan. 31, 2012	Mar. 16, 2012
Entity Registrant Name	Heron Lake BioEnergy, LLC
Entity Central Index Key	0001286964
Document Type	10-Q
Document Period End Date	Jan. 31, 2012
Amendment Flag	false
Current Fiscal Year End Date	--10-31
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		38,622,107
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1