Chilam Joshi Festival is one the most vital Kalash festivals. Kalash Festival of Chilam Joshi is also known as Kalash spring festival. The Kalash people celebrate this four-day festival across all three Kalash valleys of Rumbur, Bumburet, and Birir. A large number of domestic and foreign tourists attend the Chilam Joshi festival every year.

Chilam Joshi begins with “Milk day”. Ten days prior to the festival, The Kalasha people store milk from their households. On the day of the festival, the people of Kalash offer their libation. The festival reflects their unique cultural richness, the harmony in their society and message of peace to the world. They ask for blessing from the God and pray for a prosperous year of agriculture and health and safety of their herds.