Allan's Water is a small reservoir on the north side of the Fraser's Hill plateau, and one of the most productive birdwatching sites on the hill. The combination of open water, surrounding montane forest, and the altitude creates a microhabitat that attracts an exceptional variety of species — both the resident highland birds and seasonal migrants moving through the peninsula on their way north or south. Serious birders set up along the water's edge in the early morning, when the light is low and the birds are feeding actively before the heat of the day.
You do not need to be a birder to enjoy the spot. The reservoir is also simply a pleasant place to sit: quiet, cool, with forest coming down to the water on three sides and a view across to the forested ridges above. A walk around the perimeter takes under half an hour. Bring binoculars if you have them, and a decent bird guide to the peninsula — the diversity here will reward time spent learning to identify what you are seeing.