For those who are wondering How to reach Nainital by train, the nearest railway station is that of Kathgodam which is located at a distance of thirty-four kilometers. This railway station has good connectivity from Delhi, Lucknow and several other major stations. This makes your travel convenient.
There are many trains that run on a daily basis from New Delhi. Uttar Sampark, Kranti Express, Dehradun Kathgodam express are some of the major trains that reach Kathgodham covering many crucial halts. From Delhi, it will take approximately six hours for you to reach. Also, this is the most convenient as well as an inexpensive mode of traveling. If you have altitude sickness, this is probably the best way to reach.