"divide" is a verb. "division" is a noun. I will concede that "The Continental Divide" is an entrenched abuse, so I won't encourage you to make up a new term for the ridge that separates the Atlantic-spilling from Pacific-spilling watersheds.
I just visited a website which is in limited deployment at this point, and they trumpet:
Request a Beta Invite!
Please enter your email to request an invite to the beta
Guh. Maybe before they finish their beta test period, they'll find and fix the grammatical errors on their front page. I, however, am not optimistic.