OFFICIAL HYDROGRAPHIC OBSERVATION REPORT FR

Guyonne River Water Level & Telemetry

Gauge Station: La Guyonne à Mareil-le-guyon • Bassin Parisien• France

● NORMAL FLOW

Water Level (STAGE)

1.25 m

Relative to baseline datum

Discharge / Flow

— m³/s

Instantaneous volumetric discharge

Elevation

233 ft

Elevation above sea level

VERIFIED TELEMETRY • SOURCE: Hub'Eau Hydrométrie • GAUGE ID: H303000201 • COORD: 48.791°, 1.850°

OBSERVED: Oct 1, 2026, 11:33 PM

Guyonne River Where It Flows & Gauge Station

HYDROGRAPHIC MAP & GAUGING LOCATION

PRECIPITATION RADAR

GEOGRAPHIC COURSE & HYDROLOGICAL REACH

Where It Flows: Guyonne River

The Guyonne River is a vital waterway situated within France, flowing predominantly across the Bassin Parisien basin. It forms an integral artery of the Guyonne drainage basin. Along its course, it navigates through or proximate to Mareil-le-guyon, providing municipal drainage, agricultural sustenance, and freshwater habitat. Continuous hydrological surveillance at the La Guyonne à Mareil-le-guyon gauging station (coordinates: 48.7914°N, 1.8500°W) allows real-time quantification of upstream runoff, seasonal snowmelt pulses, and meteorological flood crests.

COUNTRY

France

REGION / STATE

Bassin Parisien

CATCHMENT BASIN

Guyonne

GAUGING LOCATION

Mareil-le-guyon

MONITORING STATIONS & GAUGES ALONG (1) UPSTREAM & DOWNSTREAM POINTS

Station / Location	REGION / STATE	Coordinates	Station ID	Action
La Guyonne à Mareil-le-guyon CURRENT GAUGE	Bassin Parisien	48.791°, 1.850°	H303000201	Viewing

FREQUENTLY ASKED QUESTIONS ABOUT WATER LEVELS

Frequently Asked Questions About Water Levels: Guyonne River

What is the current Guyonne River water level today? ↓

As of the latest continuous telemetry report, the Guyonne River water level at La Guyonne à Mareil-le-guyon is measured at 1.25 m with an observed discharge of active seasonal rate.

Where is the official monitoring gauge for Guyonne River located? ↓

The primary monitoring station for Guyonne River is located at coordinates 48.7914° Latitude and 1.8500° Longitude near Mareil-le-guyon in Bassin Parisien. Telemetry is recorded under site identifier H303000201.

What are normal water levels and flood stages for Guyonne River? ↓

Typical hydrological levels on the Guyonne River generally fluctuate within the standard median band and seasonal bankfull discharge. When stage exceeds these parameters, localized bank overflow and flood advisories may be triggered.

Where does the Guyonne River flow? ↓

The Guyonne River courses through France across the Bassin Parisien basin, draining into the Guyonne. It provides critical natural drainage and freshwater replenishment across its catchment reach.