Akao Dam
Downstream face
Location of Akao Dam in Japan
Location	Nishiakao, Toyama Prefecture, Japan
Coordinates	36°22′34.06″N 136°52′13.95″E / 36.3761278°N 136.8705417°E / 36.3761278; 136.8705417
Purpose	Power
Status	Operational
Construction began	1939
Opening date	1942
Dam and spillways
Type of dam	Gravity
Impounds	Shō River
Height	29.2 m (96 ft)
Length	153.4 m (503 ft)
Dam volume	28,000 m3 (37,000 cu yd)
Spillway type	Crest overflow, 5 roller gates
Reservoir
Total capacity	1,465,000 m3 (1,188 acre⋅ft)
Active capacity	749,000 m3 (607 acre⋅ft)
Catchment area	778.1 km2 (300.4 sq mi)
Surface area	.26 km2 (0.10 sq mi)
Normal elevation	336.7 m (1,105 ft)
Power Station
Operator(s)	Kansai Electric Power Co., Inc.
Commission date	26 October 1978
Hydraulic head	17.4 m (57 ft)
Turbines	1 x 34 MW Kaplan-type
Installed capacity	34 MW

The Akao Dam is a gravity dam on the Shō River in Nishiakao village about 18 km (11 mi) south of Nanto in Toyama Prefecture, Japan. It was constructed between 1974 and 1978. The dam has an associated 34 MW hydroelectric power station which was commissioned in 1978. Of the nine dams on the Shō River it is the fifth furthest downstream.^[1]

• Ohara Dam – downstream
• Narude Dam – upstream

Wikimedia Commons has media related to Akao Dam.