Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Balneario Santa María Amajac is a thermal spa resort in Hidalgo State, Mexico, located near the Amajac River in the Sierra Madre Oriental foothills where naturally heated mineral springs provide the warm water for the resort's bathing pools. Hidalgo State is one of Mexico's most geothermally active regions, and its volcanic geology has produced numerous thermal spring sites that have been visited since pre-Columbian times by the Otomí and Nahua peoples who inhabited the region. Santa María Amajac takes its name from the river that has been central to the life of this part of Hidalgo for millennia, combining the Christian naming convention of the colonial period with the pre-Columbian Nahuatl place name Amajac, reflecting the layered cultural heritage of one of Mexico's most historically significant indigenous regions.
Insider tip — Balneario Santa Maria Amajac is a traditional Mexican balneario on the Rio Amajac in the tropical Huasteca Hidalguense region, where geothermally heated bicarbonate-sulfurous water feeds bathing pools surrounded by humid subtropical vegetation. This style of Mexican balneario — combining natural thermal water with a festive communal atmosphere, food stalls, and weekend family gatherings — represents a deeply rooted cultural institution in the Huasteca region. The river itself provides cool natural swimming to contrast with the thermal pools. Visiting on a weekday reveals the site at its most tranquil, while Sundays bring the full vibrant energy of regional families.