Demorest The old Tallulah Falls Railway depot at Demorest still stands behind the lake at Piedmont College. The rails ran to the right of the building. Demorest is in Habersham County in north Georgia, about five miles south of Clarkesville.   Georgia's Railroad History & Heritage. Copyright, Steve Storey. Railroad History | The Depot List | Locomotives On Display | Odds & Ends | Sources & References | Home