The Tolantongo River, close to its headwaters at the top of the canyon which shares its name.
From deep within the Hidalgo Mountains, voluminous thermal rivers rise up to the surface above the Tolantongo box canyon. The warm waters cascade down the canyon sides and pour through vents into the grottos and caves.
The canyon walls are dotted with about 40 manmade semicircular pools called chapoteaderos into which are collected the warm waters rushing down the hillside. Water overflows from the upper pools and cascades into the lower pools. All the pools are connected by stairways.
No matter how many pools are built to trap the water, it is never enough. Water finds its way around the pools, over them, under them, into spontaneous rivulets and streams. The sensation is of being surrounded by the roar and rumble of rushing water.
In every sense, this is a totally immersive experience. Continue reading