The Ale Water is a tributary of the River Teviot, in the Scottish Borders area of Scotland. It rises at Henwoodie Hill and flows through Alemoor Loch. It meets the Teviot south of the village of Ancrum, and it runs through Ashkirk and Lilliesleaf. At Ancrum the depth of the water is between 0.26 metres (0.85 ft) and 2.24 metres (7.3 ft), although was as deep at 2.88 metres (9.4 ft) on one occasion in 2002.

The river's name was originally "Alne", as in Alnwick.

• List of places in the Scottish Borders
• List of rivers of Scotland

• SCRAN Image: The Ale Water
• RCAHMS record of Ale Water - Railway Viaduct, Ancrum
• RCAHMS/Canmore record of Milrighall / Roman Camp at Ale Water
• Gazetteer for Scotland: Map of Ale Water
• SEPA (Scottish Environment Protection Agency - River Level Data: Ale Water at Ancrum
• Environment Agency: Ale Water at Ancrum

55°30′15″N 2°35′16″W / 55.50404°N 2.58779°W / 55.50404; -2.58779