Khlong Saen Saep
Rong Mueang, Thailand · built 1837
Khlong Saen Saep ([kʰlɔ̄ːŋ sɛ̌ːn sɛ̀ːp]) is a canal (khlong) in central Thailand, connecting the Chao Phraya River to Prachinburi Province and Chachoengsao. A portion of the canal is used for public transport by an express boat service in Bangkok. The 72 km long canal passes through 21 districts and is connected to more than 100 smaller canals.
Canal data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).