v3.25.2
Cover
Jul. 11, 2025
Document Information Line Items  
Entity Registrant Name Piermont Valley Acquisition Corp
Entity Central Index Key 0001865248
Document Type 8-K
Amendment Flag false
Current Fiscal Year End Date --03-31
Entity Emerging Growth Company true
Document Period End Date Jul. 11, 2025
Entity Ex Transition Period false
Entity File Number 001-41108
Entity Incorporation State Country Code E9
Entity Tax Identification Number 98-1598114
Entity Address Address Line 1 7533 S Center View Ct
Entity Address City Or Town West Jordan
Entity Address State Or Province UT
Entity Address Postal Zip Code 84084
City Area Code 929
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Local Phone Number 792-5788
Units Each Consisting Of One Class A Ordinary Share Par Value Dollar 0.0001 Per Share And One half Of One Redeemable Warrantt [Member]  
Document Information Line Items  
Security 12b Title Units, each consisting of one Class A ordinary share, par value $0.0001, and one-half of one redeemable warrant
Trading Symbol CMCAU
Class A Ordinary Shares Par Value Per Share [Member]  
Document Information Line Items  
Security 12b Title Class A ordinary shares, par value $0.0001 per share
Trading Symbol CMCAF
Warrants, each whole warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per share [Member]  
Document Information Line Items  
Security 12b Title Warrants, each whole warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per share
Trading Symbol CMCAW