Low: Ahlden below mean low water (MNW).

Ahlden gauge Aller · km 58.7

Ahlden gauge (Aller) on 23/10/2026, 20:30 CEST: 23 cm – below mean low water (MNW). 24 h trend: +5 cm. Updated 2026-10-23 · Source: PEGELONLINE

Facts
Water level	23 cm	Discharge	Not measured at this gauge
Status	low	Water temperature	Not measured at this gauge

Water level

23 cm low

Discharge: Not measured at this gauge
24 h trend: ↑ +5 cm
Water temperature: Not measured at this gauge

PEGELONLINE (WSV), DL-DE Zero 2.0 · Measured 23/10/2026, 20:30 CEST · every 15 minutes

Last 7 days

PEGELONLINE (WSV), DL-DE Zero 2.0 · raw data, unverified

Activity outlook

Shippingrestricted
- ✓ no flood (below HSW)
- ✗ not below mean low water (MNW)
- ✓ level not high (below MHW)
Paddlingtake care
- ✓ no flood (below HSW)
- ✓ level not high (below MHW)
- ✗ not below mean low water (MNW)
- ✓ change over 24 h ≤ 20 cm
Fishingsuitable
- ✓ no flood (below HSW)
- ✓ level not high (below MHW)
- ✓ change over 24 h ≤ 30 cm
Swimmingnot enough data
- ✓ no flood (below HSW)
- ✓ level not high (below MHW)
- ? water temperature ≥ 15 °C
- ? water temperature ≥ 18 °C
- ✓ EU bathing site ≤ 5 km rated excellent/good
- ✗ not a federal waterway with shipping
Status: low · 24 h trend: +5 cm · Natursee Hodenhagen (Excellent, 1.5 km)

Calculated by fixed rules from official data. For orientation only – not a safety guarantee. Always check official warnings and conditions on site. See the rules

🔔 Notify me

Paddling: access points & locks

Put-ins and slipways (≤ 5 km)

Canoe put-in: Hodenhagen 0.1 km
Canoe put-in: Hudemühlen 0.9 km
Canoe put-in 1.3 km

Marinas (≤ 10 km)

Marina: Anleger Eilte 5.2 km
Marina: Anlegestelle Hademstorf 6.3 km
Marina: Alter Hafen Leinehafen Schwarmstedt 9 km
Marina: Marina Campingplatz Rittergut Frankenfeld 9.6 km

Locks (≤ 10 km)

Lock: Schleuse Hademsdorf 6.1 km

Straight-line distance from the gauge. Entries from OpenStreetMap, not officially verified; check lock hours with the WSV.

Fishing: Niedersachsen

Closed season today: Bachforelle, Lachs

Fishing rules Niedersachsen →

State derived from the gauge location; on border waters check both states. Checked 2026-10-18

Gauges up- and downstream

↑ upstream Celle km 1.7 127 cm normal
↑ upstream Marklendorf km 38.5 112 cm normal
↓ downstream Rethem km 82.3 49 cm low
↓ downstream Eitze km 107.8 232 cm low

Aller: gauges →

Records & flood chronicle

Highest on record (HHW): 451 cm · 10 Jan 1987
Lowest on record (NNW): -18 cm · 6 Sept 2022
Today vs. record: 428 cm below HHW, 41 cm above NNW

Documented floods on this river (HANZE)

4 Jun 1981: flash flood, 2 deaths, 101 m € losses (2020 prices)
8 Mar 1981: river, 3 deaths, 101 m € losses (2020 prices)
14 Jul 1956: river, 471 m € losses (2020 prices)

Flood chronicle Germany & Norway →

Records: PEGELONLINE (WSV, DL-DE Zero 2.0) · HANZE v2.1.1 (CC BY 4.0)

Water body status (EU Water Framework Directive)

ALLER DERW_DENI_22001
Ecological potential: moderate (2018--2019) · Chemical: failing to achieve good · heavily modified/artificial
Good status expected: after 2027

Official assessment of the water body at this gauge from the 2022 river basin management plans (WFD target: at least “good”). It rates the whole water body, not today’s water quality.

Location

The map loads on demand. The full list is below.

▼low●normal▲high◆above HSW○no thresholds●Put-in●Lock●Marina

FAQ

What is the current water level at Ahlden?

23 cm (low), 23/10/2026, 20:30 CEST. Source: PEGELONLINE.

What does the status at Ahlden mean?

The status compares the current level with the official reference values MNW (mean low water) and MHW (mean high water); HSW is the highest navigable water level.

Sources & licences

Water level/Discharge/Water temperature: PEGELONLINE (WSV), DL-DE Zero 2.0