Indonesia, Sumatra. Samosir island in Lake Toba. The southern bay of Tuk Tuk with Samosir in the background. Tuk Tuk is a small peninsula, and part of Samosir island. Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.