Pong Nam Ron (Thai: โป่งน้ำร้อน, pronounced [pòːŋ ná(ː)m rɔ́ːn]) is the easternmost district (amphoe) of Chanthaburi Province, eastern Thailand. eighboring districts are (from the southwest clockwise) Khlung, Makham, Khao Khitchakut and Soi Dao of Chanthaburi Province. To the east are Battambang and Pailin of Cambodia. There are two border crossings into Cambodia in Pong Nam Ron. One is at Ban Pakkard (or Ban Phak Kat) in Klong Yai tambon. The Cambodian town across the border is Phrom in Pailin municipality. The second crossing is at Ban Laem in Thep Nimitr tambon. The Cambodian village across the border is Daun Lem in Kamrieng District, Battambang Province.