The Jamapa River, which forms in Citlaltpetl, is located in Boca del Ro in Veracruz Mexico.
The Rio Jamapa is located in the Mexican state of Veracruz, forming in Citlaltepetl (also known as Pico de Orizaba) and pouring into the Gulf of Mexico in the municipality of Boca del Rio (Mouth of the River). 
