DAY TOUR FROM PLACENCIA, HOPKINS OR DANGRIGA This nature tour begins with a drive on the pristine and gorgeous Hummingbird Highway which has been rated as one of the most beautiful highways in the country. The first tour is cave tubing followed by a visit to the inland blue hole. On the cave tubing portion of the tour, your professional guide will educate you on the significance of caves to the ancient Maya world as you lazily float down on your inner tube. After this tour is completed, you will enjoy a delicious lunch. The second portion of the tour includes visiting the inland blue hole. You can take a refreshing swim in the sapphire blue waters of the Inland Blue Hole, a cenote in a lush and verdant jungle setting fed by an underground river.