Spillway
Spillway of Kangaroo Creek Reservoir dam in the Adelaide Hills, South Australia.
Bell-mouth spillway at Llyn Celyn
The huge spillway for the Robert-Bourassa Reservoir, Quebec, Canada, fittingly called the "Giant's Staircase".
Spillway gates control the level of Lake Diefenbaker, Saskatchewan, Canada
Scrivener Dam, in Canberra, Australia, was engineered to withstand a once-in-5000-years flood event.
The spillway for the Rivière des Prairies dam, in the north end of Montreal.
A labyrinth spillway and a fish ladder (left) of the Hope Mills Dam in North Carolina
Water enters Hoover Dam's Arizona drum-gate spillway (left) during the 1983 floods.
A labyrinth spillway entrance (bottom) at the Ute Dam in New Mexico.
An ogee-type spillway at the Crystal Dam in Colorado.
An emergency spillway with fuse plug (bottom) and an auxiliary ogee spillway (top).
The serrated weir spillway of the Li-Yu-Tan Reservoir, located in Sanyi Township, Miaoli County, Taiwan.
Semicircular spillways of Ohzuchi Dam (Shiga Pref., Japan)
Made in 1966, the Geehi Dam spillway (the world's largest of it's type) has never seen water as of March 2019.