Nellitheertha Cave Temple (Tulu: ನೆಲ್ಲಿ ತೀರ್ಥ ಗುಹಾಲಯ) in Nellitheertha, Karnataka, India is dedicated to the Indian deity Sri Somanatheshwara, or Shiva. The temple dates back to at least 1487 CE. To the right of the temple is a natural cave, about 200 metres (660 ft) long. Access is restricted, forcing visitors to crawl in on their knees. Inside, there is a lake and a Shiva Lingam.