What are the best Multi-day Tours in Surat Thani?

The best Multi-day Tours in Surat Thani according to Viator travelers are: <br/><ul><li class="my-2 my-lg-0"><a href="https://avionero.partner.viator.com/tours/Khao-Sok-National-Park/Overnight-packages-at-Khaosok-national-park-and-Cheowlan-Lake/d51065-436289P2" target="_blank" rel="noopener nofollow">Overnight Packages at Khaosok National Park and Cheowlan Lake</a></li><li class="my-2 my-lg-0"><a href="https://avionero.partner.viator.com/tours/Phuket/3-Day-Khao-Sok-Safari-with-private-transfer-from-Phuket-Surat-Thani-Krabi/d349-52374P64" target="_blank" rel="noopener">3-Day Private Khao Sok Safari from Phuket, Surat Thani or Krabi</a></li><li class="my-2 my-lg-0"><a href="https://avionero.partner.viator.com/tours/Surat-Thani/3-nights-camping-in-Koh-Phaluai-includes-accommodation-and-boat-trip/d32631-64658P3" target="_blank" rel="noopener nofollow">Angthong National Marine Park 2 nights Bonfire camping</a></li></ul>