what is coulees
The marker reads: THE COULEE REGION. Coulee is a term derived from the French verb couler, meaning to flow. The area before you and in the entire coulee region of west central Wisconsin has been dissected by water erosion into a series of narrow ridges separated by steep-sided valleys called coulees.he marker reads: THE COULEE REGION. Coulee is a term derived from the French verb couler, meaning to flow. The area before you and in the entire coulee region of west central Wisconsin has been dissected by water erosion into a series of narrow ridges separated by steep-sided valleys called coulees.