Bell-mouth spillway at Llyn Celyn
The huge spillway for the Robert-Bourassa Reservoir, Quebec, Canada, fittingly called the "Giant's Staircase".
The spillway for the Rivière des Prairies dam, in the north end of Montreal.
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 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.