Hiking and Climbing are Bora Bora is mostly done in winter in the winter season because of its weather. The best months for the visitor to do such activities are June, July, and August. The highest and top peak of Bora Bora mountain is 2,385 feet (727 meters) tall, and from this peak, you can enjoy the wonders of The Bora Bora Island. The highest peak is known as Mount Otemanu.