6:00 am: 1 and a half hour boat ride to Sirena Biological Station. 7:45am: Get ready on the beach at Sirena and hike to the ranger station, drop off overnight bags and equipment and head out on a 3 to 4 hour hike. 11:30am: We take a half hour lunch break at some point along the trail (where guide thinks is appropriate) and hike back to the ranger station. At around 12:30pm we take a 2 hour break until the sun is less hot. 2:30pm: We do one afternoon hike for 2 and half hours to the Claro river, have a quick swim there and hike back to the ranger station. 5:30pm: Dinner at the ranger station and after dinner we go to sleep, light are off at 8:00pm.