Nagarahole (Kannada: ನಾಗರಹೊಳೆ) is a 1977 Indian Kannada children's film written by H. V. Subba Rao, with screenplay and direction by S. V. Rajendra Singh Babu, starring Vishnuvardhan, Bharathi and Ambarish.

Madhu (Bharathi) takes 4 children on a dangerous visit to the Nagarhole National Park.

Rajendra Singh Babu wanted to make a children's adventure film completely set in a forest being inspired by the books written by Enid Blyton. He approached celebrated Kannada writer H. V. Subba Rao who went for a recce to Nagarahole for 15 days with the added sub plot of naxalites lurking around the forest. H. V. Subba Rao penned an original adventure story, and dialogues for the pathbreaking film. ^[1]

The character of Ambareesh was based on a real life driver whom Babu met during the stay there. Babu revealed that team struggled hard to shoot scenes like a tiger carrying a little boy and manchan scene, which took around 75 takes.^[1] The climax sequence were shot on the Sakleshpura Bridge with 13 tunnels at 165 ft in height and it was Asia’s highest bridge. The film which began production in 1974 was not released until 1977 due to lack of takers.^[1]

The title song "Ille Swarga Ille Naraka" was sung Ravi, and released in 2004 by Saregama.^[2][3]