The Qullpa Jawira (Aymara qullpa saltpeter, jawira river, "saltpeter river", also spelled Collpajahuira, Kollpa Jahuira) is a river in the La Paz Department in Bolivia. It is a right affluent of the Desaguadero River.
The river originates near from various streams at a mountain named Taruj Llani south of Utani Apu in the Pacajes Province, Caquiaviri Municipality. It flows in a north-eastern direction. The confluence with the Desaguadero River is south of the community of Janq'u Phuch'u on the border of the Ingavi Province, San Andrés de Machaca Municipality, at .