Rio San Juan drains arrives from the Sierra Madre and drains most of the northern Tuxtlas from near
Acayucan to its merger with Rio Papaloapan near Alvarado and its entrance into the Gulf of Mexico.
Aside from the gulf, Rio San Juan was the major north/south transit route for Los Tuxtlas since the
advent of civilization. Until the construction of a railroad in early 1900 the river was in use from the then
port city of San Juan Evangelista, near Acayucan, to Alvarado, accepting numerous other rivers arriving
from the Tuxtlas and linking it to all major settlements.
Acayucan to its merger with Rio Papaloapan near Alvarado and its entrance into the Gulf of Mexico.
Aside from the gulf, Rio San Juan was the major north/south transit route for Los Tuxtlas since the
advent of civilization. Until the construction of a railroad in early 1900 the river was in use from the then
port city of San Juan Evangelista, near Acayucan, to Alvarado, accepting numerous other rivers arriving
from the Tuxtlas and linking it to all major settlements.
Major Rivers of Los Tuxtlas
Rio San Juan Michapan
Rio San Juan Michapan
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