Gauri Purnima (Kartik Purnima) is an important festival in some parts of Karnataka. Dhatri Puja and Tulasi Puja are the main rituals of the day. In 2012, Gauri Purnima date is November 28.
In many temples of Karnataka viz. Gangapur Dattatreya temple, Dharmastala Manjunatha temple, Sringeri Sarada Peetham temple, Kateel Durga Parameshwari temple and Gokarna Shiva Temple, Gauri Purnima is celebrated with lot of gusto and gaiety.
Parvati Parameshwara Puja (Shiva Parvati Puja), Lakshmi Narayana Puja and Tulasi Damodara Puja are also observed on Gauri Purnima festival.
Kartika Purnima Snan is also performed along the river banks of Tungabhadra and Cauvery in Karnataka state.