Perched 2,100 meters above sea level, Horton Plains is a silent, windswept plateau of grasslands and cloud forests. The 9.5km circular trek leads you to “World’s End,” a sheer precipice with a drop of nearly 880 meters that offers views stretching all the way to the southern coast on a clear day. It is a place where engineering and nature meet, from the cascading Baker’s Falls to the headwaters of three of Sri Lanka’s major rivers.