Nanak Sagar is a lake created by the damming of the stream called Deoha. near Gurdwara Nanak Mata. This is a historical Sikh shrine in a town also named Nanak Mata (often pronounced Matta) in district Udham Singh Nagar , Uttarakhand northern India. The town is associated with Guru Nanak Dev and Guru Hargobind. The Gurdwara is located 15 kilometres west of Khatima Railway Station on the Pilibhit-Tanakpur metre-gauge section of North-Eastern Railway. The holy shrine is near the town of Sitarganj .