Kızılırmak and Yeşilırmak Rivers’  tributaries form many valleys while flowing through Çorum.
The major ones are as follows :

Sıklık Strait : It is on Çorum-Samsun road and  7 km. long..

Hatap Valley : It is where Hatap Stream flows and  16 km.long. 

Harami Valley : It connects Dana Strait,  Seydim Plain and  Dedesli Plain. It is 6,5 km.

Kırkdilim Valley : It connects Çorum - Osmancık – Kargı.

Sacayak Valley : It is where Çorum Çat Water  flows into Cemilbey.

Hışır Valley : It is where Alaca water mixes with  Çat Water.