Lake Tekapo: the most beautiful night sky and lakes Tekapo is a small town located in the south of Lake Tekapo. It is a very popular spot for those visiting New Zealand’s South Island. Lake Tekapo is one of New Zealand’s most famous lakes. Its blue waters set against the backdrop of the mountain ranges in the distance, coupled with a rustic church for the shepherds close to the lakeshore - these are all scenes straight out from a postcard. Lake Tekapo is known for its night skies.