[4K] Las Grutas Tolantongo is a must visit attraction when in Mexico. Here you can swim in one of the many warm turuquoise hot spring infinity pools, go relax in a steamy warm cave, swim around in the dark cave with flashlights, or relax in the flowing warm minerial river. Las Grutas Tolantongo is located… Continue reading Mexico's Best-Kept Secret | Hot Spring Infinity Pools & Waterfalls Cave | Grutas Tolantongo