v3.25.4
Cover - USD ($)
 12 Months Ended
Dec. 31, 2025
Feb. 04, 2026
Jun. 30, 2025
Document Information Line Items      
Entity Registrant Name Lakeshore Acquisition III Corp.    
Entity Central Index Key 0002049248    
Document Type 10-K    
Amendment Flag false    
Entity Voluntary Filers No    
Current Fiscal Year End Date --12-31    
Entity Well Known Seasoned Issuer No    
Entity Small Business true    
Entity Shell Company true    
Entity Emerging Growth Company true    
Entity Current Reporting Status Yes    
Document Period End Date Dec. 31, 2025    
Entity Filer Category Non-accelerated Filer    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Entity Ex Transition Period false    
Entity Common Stock Shares Outstanding   8,905,000  
Entity Public Float     $ 69,153,180
Document Annual Report true    
Document Transition Report false    
Document Fin Stmt Error Correction Flag false    
Entity File Number 001-42623    
Entity Incorporation State Country Code E9    
Entity Address Address Line 1 667 Madison Avenue    
Entity Address City Or Town New York    
Entity Address State Or Province NY    
Entity Address Postal Zip Code 10065    
City Area Code 917    
Icfr Auditor Attestation Flag false    
Local Phone Number 327-9933    
Entity Interactive Data Current Yes    
Auditor Name Adeptus Partners, LLC    
Auditor Location Ocean, New Jersey    
Auditor Firm Id 3686    
Ordinary Shares [Member]      
Document Information Line Items      
Security 12b Title Ordinary Shares    
Trading Symbol LCCC    
Security Exchange Name NASDAQ    
Rights [Member]      
Document Information Line Items      
Security 12b Title Rights    
Trading Symbol LCCCR    
Security Exchange Name NASDAQ    
Unit [Member]      
Document Information Line Items      
Security 12b Title Units    
Trading Symbol LCCCU    
Security Exchange Name NASDAQ