El Tambor River Rio Concepción
Location of mouth
Location
Country	Guatemala
Physical characteristics
Mouth
• coordinates	14°36′58″N 91°36′53″W / 14.61624°N 91.61466°W / 14.61624; -91.61466

The El Tambor River is a river of Guatemala. It is a tributary of the Samalá River.^[1]

• List of rivers of Guatemala

• "Water Resources Assessment of Guatemala" (PDF). US Army Corps of Engineers. June 2000. Archived from the original (PDF) on 2009-01-09. Retrieved 2009-06-04.
• "Guatemala - Surface Water Map" (PDF). US Army Corps of Engineers. June 2000. Archived from the original (PDF) on 2009-01-09. Retrieved 2009-06-04.
• Rand McNally, The New International Atlas, 1993.