Seasonal· Koh Rok Nai· Thailand

Mu Ko Lanta Park Island Closures

7° 13.8′ N · 99° 3.9′ E · approximate

Every year the outer park islands close to visitors for the rainy season to let the reefs recover and keep boats away from the southwest swell.

Phuket & Phang Nga BayKoh Lanta to Koh LipeKoh Samui & the Gulf of Thailand

Practical

Thainationalparks.com (2026): most smaller islands in Mu Ko Lanta National Park, including the Koh Ha group, close from 16 May to 14 October; Koh Rok closes from 1 June to 30 September. Dates are set by the Department of National Parks each year, so verify locally before a shoulder-season visit. Position approximate: just north of the Koh Rok group, used only to place this note on the map.

Best for

Timing visits to Koh Rok and Koh Ha

Season

Closed mid-May/June to Sep/mid-Oct

Nearby