Wairau River — Hatch Calendar
The Wairau River drains the Richmond Range in Marlborough.
freestone280 ft elevation
November 2026
1
5
10
15
20
25
30
Mayflies
Caddis
Stoneflies
Terrestrials
Active range Peak period Sparse Heavy / Blanket
The Wairau River drains the Richmond Range in Marlborough.