After leaving the busy city of Ho Chi Minh City, turning off the National Highway 20 leads visitors to a mountainous area full of roadside platations of rubber and green coffee. A short, smooth 150 km bus ride takes visitos to a former volcanic crater, known as Lava tubes. Crossing the Dong Nai river to enter the Cat Tien National Park enables visitors begin their wildlife experience. Afternoon, we do a three hour trekking to through the Reserved Core Area. We will see many kinds of hundreds of years old trees. They return to the center for dinner. Overnight in Cat Tien.