Khorramdarreh (Khoram Dareh) is located east of the Zanjan province, in the neighborhood of Qazvin. It experiences a moderate, mountainous climate with cold, snowy winters and moderate summers. Local air currents such as Sardmeh and the warm air current known as Shareh Taake have a share in influencing climate conditions here. Such that these air currents play an important role in agriculture too. The center of this township is the city of Khoram Dareh located between Tehran and Zanjan.