Loch Bad an Sgalaig is a small, irregular shaped, freshwater loch and reservoir lying 5 mi (8.0 km) south of the small village of Poolewe, in Wester Ross, Scotland.

Loch Bad an Sgalaig
From Meall Aundrary to Loch Bad an Sgalaig
Loch Bad an Sgalaig
Location	Wester Ross, Scotland
Coordinates	57°40′32″N 5°36′33″W / 57.67556°N 5.60917°W / 57.67556; -5.60917[3]
Type	freshwater loch and reservoir[1][2]
Primary inflows	Abhainn a' Gharbh Choire [2]
Basin countries	Scotland
Max. length	0.66 mi (1.06 km)[1]
Max. width	0.5 mi (0.80 km)[1]
Surface area	132.2 ha (327 acres)[3]
Average depth	24.25 ft (7.39 m)[1]
Max. depth	64 ft (20 m)[1]
Water volume	151,000,000 cu ft (4,300,000 m3)[1]
Shore length1	10.2 km (6.3 mi) [3]
Surface elevation	116 m (381 ft) [3]
1 Shore length is not a well-defined measure.

The north west end of the loch, where it outflows to the Eas na Laimh stream,^[4] was dammed in 1949 to power the Kerry Falls hydroelectric power station.^[5]

The loch was surveyed on 30 July 1902^[1] by T.N. Johnston and John Hewitt and later charted^[6] as part of the Sir John Murray's Bathymetrical Survey of Fresh-Water Lochs of Scotland 1897-1909.