Cover
Cover | Mar. 23, 2022 |
Document Information [Line Items] | |
Document Type | 8-K |
Amendment Flag | false |
Document Period End Date | Mar. 23, 2022 |
Entity File Number | 001-40870 |
Entity Registrant Name | MOUNT RAINIER ACQUISITION CORP. |
Entity Central Index Key | 0001854461 |
Entity Tax Identification Number | 86-2029991 |
Entity Incorporation, State or Country Code | DE |
Entity Address, Address Line One | 256 W. 38th Street |
Entity Address, Address Line Two | 15th Floor |
Entity Address, City or Town | New York |
Entity Address, State or Province | NY |
Entity Address, Postal Zip Code | 10018 |
City Area Code | 212 |
Local Phone Number | 785-4680 |
Written Communications | true |
Soliciting Material | false |
Pre-commencement Tender Offer | false |
Pre-commencement Issuer Tender Offer | false |
Entity Emerging Growth Company | true |
Elected Not To Use the Extended Transition Period | false |
custom:Units [Member] | |
Document Information [Line Items] | |
Title of 12(b) Security | Units |
Trading Symbol | RNERU |
Security Exchange Name | NASDAQ |
Common Stock [Member] | |
Document Information [Line Items] | |
Title of 12(b) Security | Common Stock |
Trading Symbol | RNER |
Security Exchange Name | NASDAQ |
custom:Warrants [Member] | |
Document Information [Line Items] | |
Title of 12(b) Security | Warrants |
Trading Symbol | RNERW |
Security Exchange Name | NASDAQ |