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Document And Entity Information
Aug. 01, 2025
Document Information Line Items  
Entity Central Index Key 0002070602
Amendment Description Amendment No. 1
Document Type S-1/A
Entity Registrant Name Highview Merger Corp.
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 1615 South Congress Ave.
Entity Address, Address Line Two Suite 103
Entity Address, City or Town Delray Beach
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33445
City Area Code 561
Local Phone Number 826-6050
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false
Amendment Flag true
Business Contact [Member]  
Document Information Line Items  
Entity Address, Address Line One 1615 South Congress Ave.
Entity Address, Address Line Two Suite 103
Entity Address, City or Town Delray Beach
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33445
City Area Code 561
Local Phone Number 826-6050
Contact Personnel Name David Boris