# Isère river

Also known as: L'Isère

The Isère (also known as L'Isère) is a European river flowing through France. As of 2026-10-15, the Isère was flowing at about 128.5 m³/s at the L'Isère à Saint-Gervais \[Le Port\] - EDF gauge.

**Canonical name:** Isère

**Local names / aliases:** L'Isère

**Countries:** France

**Maximum upstream drainage area:** 10,252 km²

**Mapped river length:** 208.8 km

**Gauging stations:** 11

**Latest measured discharge:** 128.5 m³/s (L'Isère à Saint-Gervais \[Le Port\] - EDF, 2026-10-15)

## Gauging stations on the Isère

The following 11 gauging stations report discharge for the Isère, ordered downstream (largest catchment first). Discharge is in cubic metres per second (m³/s).

| Station | Country | Discharge (m³/s) | Historical Comparison | Observed | Measurement | Data quality | Provider | Lat, Lon | Source |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| L'Isère à Saint-Gervais \[Le Port\] - EDF | France | 128.5 | Much below normal — 41% below the historic median | 2026-10-15 | daily mean | Donnée brute | Hub'Eau Hydrométrie | 45.207, 5.466 | [source](https://www.hydro.eaufrance.fr/stationhydro/W320001001/series) |
| L'Isère à Chamousset \[Pont Royal\] - DREAL | France | 61.402 | — | 2026-10-15 | daily mean | Donnée brute | Hub'Eau Hydrométrie | 45.563, 6.199 | [source](https://www.hydro.eaufrance.fr/stationhydro/W110001002/series) |
| L'Isère à Montmélian - Débitmètre | France | 40.254 | — | 2026-10-15 | daily mean | Donnée brute | Hub'Eau Hydrométrie | 45.496, 6.056 | [source](https://www.hydro.eaufrance.fr/stationhydro/W111001002/series) |
| Le Bréda à Pontcharra | France | 1.246 | Much below normal — 41% below the historic median | 2026-10-15 | daily mean | Donnée brute | Hub'Eau Hydrométrie | 45.435, 6.022 | [source](https://www.hydro.eaufrance.fr/stationhydro/W114402001/series) |
| Le ruisseau du Doménon à Domène | France | 0.455 | — | 2026-10-15 | daily mean | Donnée brute | Hub'Eau Hydrométrie | 45.202, 5.837 | [source](https://www.hydro.eaufrance.fr/stationhydro/W141001201/series) |
| L'Isère à Grenoble \[Bastille\] | France | 87.56 | Much below normal — 29% below the historic median | 2026-10-15 | daily mean | Donnée brute | Hub'Eau Hydrométrie | 45.193, 5.725 | [source](https://www.hydro.eaufrance.fr/stationhydro/W141001001/series) |
| Le ruisseau de Verrens à Frontenex - Pont du Boulodrome | France | 0.927 | — | 2026-10-15 | daily mean | Donnée brute | Hub'Eau Hydrométrie | 45.632, 6.318 | [source](https://www.hydro.eaufrance.fr/stationhydro/W050000602/series) |
| L'Isère à la Léchère | France | 3.977 | — | 2026-10-15 | daily mean | Donnée brute | Hub'Eau Hydrométrie | 45.532, 6.474 | [source](https://www.hydro.eaufrance.fr/stationhydro/W030000301/series) |
| L'Isère à Albertville \[Conflans\] | France | 14.382 | — | 2026-10-15 | daily mean | Donnée brute | Hub'Eau Hydrométrie | 45.662, 6.408 | [source](https://www.hydro.eaufrance.fr/stationhydro/W011001101/series) |
| L'Isère à Landry | France | 22.525 | — | 2026-10-15 | daily mean | Donnée brute | Hub'Eau Hydrométrie | 45.577, 6.734 | [source](https://www.hydro.eaufrance.fr/stationhydro/W010000101/series) |
| L'Isère à Moûtiers \[Pont Neuf\] | France | 15.936 | Normal — 10% below the historic median | 2026-10-14 | daily mean | Donnée brute | Hub'Eau Hydrométrie | 45.484, 6.531 | [source](https://www.hydro.eaufrance.fr/stationhydro/W011001001/series) |

## Related rivers

-   [Loire](/rivers/loire.html)
-   [Seine](/rivers/seine.html)
-   [Garonne](/rivers/garonne.html)
-   [Saône](/rivers/saone.html)
-   [Dordogne](/rivers/dordogne.html)
-   [Maine](/rivers/maine.html)
-   [Vienne](/rivers/vienne.html)
-   [Tarn](/rivers/tarn.html)
-   [Allier](/rivers/allier.html)
-   [Durance](/rivers/durance.html)
-   [Oise](/rivers/oise.html)
-   [Cher](/rivers/cher.html)

## Data, sources & timestamps

Geometry is the HydroRIVERS network (HydroSHEDS): European reaches with at least 500 km² of upstream catchment, merged into chains between confluences. Flow direction comes from the network itself; river names are the canonical English label joined from provider metadata and Natural Earth, with local-language aliases retained.

Discharge is normalised observed streamflow from official national hydrology providers, measured where a gauge sits on the river and interpolated between gauges. Pale/estimated values are derived from drainage area × the local specific discharge of nearby gauges and are never presented as measurements.

Underlying dataset built 2026-10-16T13:31:53.036165+00:00. This page generated 2026-10-16T13:35:10.972Z. Discharge values carry their own observation dates in the table above.

[Explore the Isère on the interactive map →](/)