Cover - shares	9 Months Ended
	Sep. 30, 2023	Nov. 14, 2023
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2023
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--12-31
Entity File Number	001-41022
Entity Registrant Name	Rigel Resource Acquisition Corp
Entity Central Index Key	0001860879
Entity Tax Identification Number	98-1594226
Entity Incorporation, State or Country Code	E9
Entity Address, Address Line One	7 Bryant Park
Entity Address, Address Line Two	1045 Avenue of the Americas
Entity Address, Address Line Three	Floor 25
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10018
City Area Code	(646)
Local Phone Number	453-2672
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Elected Not To Use the Extended Transition Period	false
Entity Shell Company	true
Units Each Consisting Of One Class Ordinary Share And Onehalf Of One Redeemable Warrant [Member]
Title of 12(b) Security	Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant
Trading Symbol	RRAC.U
Security Exchange Name	NYSE
Class Ordinary Shares Par Value 0. 0001 Per Share [Member]
Title of 12(b) Security	Class A ordinary shares, par value $0.0001 per share
Trading Symbol	RRAC
Security Exchange Name	NYSE
Redeemable Warrants Each Whole Warrant Exercisable For One Class Ordinary Share At Exercise Price Of 11. 50 [Member]
Title of 12(b) Security	Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50
Trading Symbol	RRAC.WS
Security Exchange Name	NYSE
Common Class A [Member]
Entity Common Stock, Shares Outstanding		24,570,033
Common Class B [Member]
Entity Common Stock, Shares Outstanding		7,500,000