The hike up to the Phi Phi Viewpoint is the one overland activity on an island otherwise defined by water. The path leads steeply uphill from the village, climbing roughly 186 metres through forest and past a series of view platforms, taking around 20 to 30 minutes at a moderate pace. The final platform looks down over the entire narrow isthmus of Phi Phi Don, with Tonsai Bay and Loh Dalum Bay curving away on either side, the limestone hills rising behind, and the open sea stretching to the horizon.
Go in the late afternoon for the best light and a shot at sunset colours over the Andaman. Bring water — the climb is sweaty — and start early or late to avoid the midday heat. The path is well-marked and doesn't require special footwear, though flip-flops make it harder than it needs to be.