November 4, 2013 Sightseeing: Cobbler Creek Spillway The Cobbler Creek Flood Mitigation Dam was constructed in 1997. It’s designed to smooth the 1 in 100 year flood that occurs in the Adelaide area.Since its construction the spillway has become a perfect canvas for local street artists. wildstar Sightseeing Adelaide, Adelaide Secrets, Cobbler Creek Spillway, Photography, Urban Exploration Adelaide, Urban Exploring, Urbex