Diez Hafen gauge Lahn · km 83.7

Activity outlook

• 🚢 Shippingsuitable

  • ✓ no flood (below HSW)
  • ✓ not below mean low water (MNW)
  • ✓ level not high (below MHW)
• 🛶 Paddlingsuitable

  • ✓ 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: normal · 24 h trend: -3 cm · Baggersee Diez (Excellent, 1.1 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: Diez 0.1 km
• Slipway 0.2 km
• Canoe put-in 0.3 km
• Canoe put-in 1.1 km
• Slipway 1.2 km

Marinas (≤ 10 km)

• Marina: Wassersportzentrum Zum Mühlchen 1.4 km
• Marina: Sportboothafen in Balduinstein an der Lahn 4.2 km
• Marina: Private Stege / Lubentiushafen 7.3 km
• Marina: Laurenburger Bootsclub 8.3 km

Locks (≤ 10 km)

• Lock: Lahn 0.4 km
• Lock: Lahn 4.8 km
• Lock: Schleuse Cramberg 4.8 km
• Lock: Lahn 6.6 km

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

Long-distance cycle routes nearby

• Radweg Deutsche Einheit - Etappe 2 0.7 km

EuroVelo, German D-network and other long-distance routes passing within 3 km of the gauge (straight-line distance to the nearest route point). Check the route and its condition locally.

Fishing: Rheinland-Pfalz

Closed season today: Bachforelle, Lachs

Fishing rules Rheinland-Pfalz →

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

Gauges up- and downstream

• ↑ upstream Diez Schleuse Op km 83.2 547 cm ○ no thresholds
• ↑ upstream Diez Schleuse Up km 83.2 214 cm ○ no thresholds
• ↓ downstream Cramberg Schleuse Op km 91.8 705 cm ○ no thresholds
• ↓ downstream Cramberg Schleuse Up km 91.8 237 cm ○ no thresholds

Lahn: gauges →

Records & flood chronicle

Highest on record (HHW)

795 cm · 10 Feb 1946

Today vs. record

702 cm below HHW

Documented floods on this river (HANZE)

• 10 Apr 1983: river, 122 m € losses (2020 prices)

Flood chronicle Germany & Norway →

Water body status (EU Water Framework Directive)

• LAHNLIMBURG DERW_DEHE_258-1
  Ecological potential: bad (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

Sources & licences

• Water level/Discharge/Water temperature: PEGELONLINE (WSV), DL-DE Zero 2.0
• Map: © OpenStreetMap contributors, OpenFreeMap