From Lamai through Hua Thanon Bang Kao Laem Sor Thong Krut and back to Lamai.
Highway 4169 carves its way along the eastern coast of Koh Samui from Chaweng to Lamai.
Koh Pha Ngan is an island about 30 minutes north of Koh Samui.
On 4169 from Lamai head toward Hua Thanon n1.
On the western side of the Lamai Valley are some difficult mountain roads.
The easiest way to the top is Thanon Dhupatemiya from the western side of Koh Sam sP9vUUT
The Lamai Valley is the largest valley on Koh Samui.
The Chaweng Overlook is a nice bicycle ride through the jungles above Chaweng.
Trails along the southern coast of Koh Samui will take you to Thong Krut.