River Ithon · Afon Ieithon

Both gauges on the River Ithon are normal.

Read from 2 river-level gauges at 12:00 on 28 October 2026 GMT, and read again every fifteen minutes.

See the River Ithon on the live map →

Every gauge on the River Ithon, right now

Gauge km above
the mouth
Level
now
Against
its record
Percentile Trend
Llandewinear Llanddewi Ystradenni 35 0.25 m Normal 61st ▼falling
Disserthnear Newbridge on Wye (Y Bontnewydd-ar-Wy) 3 0.67 m Normal 76th ▬steady

The percentile is where a gauge's latest reading sits in its own record of readings, not how full the channel is. A river sits low most of the time, so a high percentile takes surprisingly little water: at Beddgelert on the Glaslyn, with thirty-six years of record, the ninety-fourth percentile is about 1.05 m - 1.38 m below the highest level ever recorded there.

The course of the River Ithon

normalLlandewi River StationDisserth River StationLlandewiDisserthWhere it is in Wales
The course of the River Ithon, drawn from Ordnance Survey Open Rivers. Each gauge is coloured by where its level sits today. A grey dot is a gauge we do not rank, and a hollow ring is one that is not reporting. North is up.

About this river

From its highest reach down to its mouth near Newbridge on Wye (Y Bontnewydd-ar-Wy), the Afon Ieithon runs 60 km. Its gauges hold between 1 and 38 years of readings, and that is what today's levels are compared with.

This is not a flood-warning service. For flood warnings in Wales go to Natural Resources Wales; in England, the Environment Agency. In an emergency call 999. The map cannot see the sea, surface water, drains, or any one address.