Kalka railway station is located at Kalka in Haryana (India).
It is the northern terminus of the Delhi–Kalka line and the starting point of the UNESCO World Heritage Site Kalka–Shimla Railway.
It caters to passengers moving on to Delhi & Shimla. Kalka railway station is located at an altitude of 658 metres (2,159 ft) above mean sea level.
It was allotted the railway code of KLK under the jurisdiction of Ambala railway division. The Delhi–Panipat–Ambala–Kalka line was opened in 1891.
The 610 mm (2 ft)-wide narrow-gauge Kalka–Shimla Railway was constructed by Delhi–Panipat–Ambala–Kalka Railway Company and opened for traffic in 1903. In 1905 the line was regauged to 762 mm (2 ft 6 in)-wide narrow gauge.