Scottish Borders — Hatch Calendar
The Scottish Borders hold the River Tweed and its major tributaries — Till, Teviot, Ettrick.
September 2026
1
5
10
15
20
25
30
Mayflies
Caddis
Stoneflies
Midges
Other
Active range Peak period Sparse Heavy / Blanket
The Scottish Borders hold the River Tweed and its major tributaries — Till, Teviot, Ettrick.