The Kalka–Shimla Railway is a 2 ft 6 in (762 mm) narrow gauge railway in North-West India travelling along a mostly mountainous route from Kalka to Shimla. It is known for breathtaking views of the hills and surrounding villages. Taking a trip on the historic UNESCO World Heritage Kalka-Shimla toy train is like traveling back in time. The railway, built by the British in 1903 to provide access to their summer capital of Shimla, provides one of the most scenic train journeys in India. It enlivens passengers as it gradually winds its way steeply upwards along the narrow track, though mystical mountains and pine forests. Kalka Shimla railway toy train journey is an added attraction for tourists visiting Shimla. Economical, deluxe and premium services for travelers on the Kalka-Shimla rail section are made available by the Indian railways. The entire journey (96 km) is laced with magnetic beauty. Rising from Kalka at 640 m, the rail track reaches Shimla which is at a height of 2060 m. The train twists its way uphill slowly to enable the passengers to enjoy the mesmerising beauty around. The best of the scenes around can be seen at Kushalya River, Koti, Barog, Kanoh and Jabli, 1,240 meters above sea level. Out of 103 tunnels that the train crosses, only four are big ones. The Barog tunnel takes about three minutes to be crossed completely. The other three important tunnels include Koti, Taradevi and Tunnel no 103. The train takes around four and a half hours to complete a journey from Kalka to Shimla. Enroute, the train passes through 103 tunnels, 969 bridges, 919 curves and twenty railway stations. Apart from few stations, the train sweeps past other station very quickly. At Barog station, the train halts for fifteen minutes so as to allow the passenger to get down and enjoy some refreshments in the restaurant which is regarded as one of the best at any hill station in India. "Visiting Shimla is equal parts journey and destination. For optimal snow-clad Himalayan views, chug back in time on the narrow-gauge Kalka Shimla Railway, one of three Indian lines on the World Heritage List." Train Services :: There are three main tourist train services that run on the Kalka Shimla railway. These are: (1) Shivalik Deluxe Express (2) Himalayan Queen (3) Rail Motor Car.