15 minFrom town center
24°CWater temperature
6+Endemic species
100%Spring-fed water
Year-roundOpen all year
The place

A spring-fed river where you swim
among the last turtles of their kind

Fifteen minutes from town, Río Los Mezquites appears without warning: water so clear it distorts perspective, revealing the sandy bottom, the roots of ancient mesquite trees reaching down, fish darting as if suspended in air. The river forms natural swimming pools fed by underground springs that hold the temperature constant year-round.

The Lerma chub and the Cuatro Ciénegas soft-shell turtle (Apalone ater) exist in no other body of water on Earth. Swimming alongside them is no ordinary nature outing — it is a privilege very few people in the world have experienced.

Difficulty: Easy — flat access, suitable for all ages Swimming? Yes, freely in designated areas Best time: Year-round
Getting here

We handle the road

Pickup in Monterrey, at Monterrey International Airport, or in Saltillo, followed by private transport to Cuatro Ciénegas — round trip or one way, on the day and departure time you choose.

Your visit to Mezquites River remains entirely yours to plan: entrance fees are paid on site, and guided tours are arranged locally with the on-site operators. We provide the transfer alone — no fixed itinerary, no sharing the vehicle with strangers.

Request a transfer quote
For photographers

Best spots and timing

8 – 11 am

Morning light

Sun rays pierce the mesquite canopy and strike the water, drawing out the green-blue contrast at its peak.

All day

Underwater shots

A waterproof phone pouch or underwater camera captures the fish from within the water itself.

11 am – 1 pm

River reflections

Overhead sun eliminates shadows and brings the water to maximum shine when photographed from the bank.

Bring a waterproof pouch for your phone — the best images are taken from inside the water.

What the transfer includes

  • Round trip or one way from Monterrey
  • Professional driver
  • Site entrance fee
  • Endemic wildlife orientation
  • Access to shaded picnic area

What to bring

  • Swimsuit — essential
  • Towel and change of clothes
  • Biodegradable sunscreen only
  • Waterproof phone pouch
  • Snorkel — ask about availability when booking
  • Water and snacks for the day
Protected endemic species

The Cuatro Ciénegas soft-shell turtle and the Lerma chub exist in no other body of water in the world. Feeding or touching them — even once — disrupts their natural behavior, and chemical sunscreen is not permitted in the water. Your guide explains the site rules and why each one matters.

Keep exploring

More attractions in Cuatro Ciénegas