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Lake

Mannheim, Stollenwoerthweiher 1

Photos of Mannheim, Stollenwoerthweiher 1

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About

Experience this spot in Mannheim. Great location for swimming and paddling, cycling and boating. Mannheim and Karlsruhe are two neighboring cities located in the state of Baden-Württemberg in southwestern Germany. The area around these cities is characterized by gentle hills, forests, vineyards, and rivers. The Rhine River runs along the eastern boundary of the area, providing a stunning backdrop to the landscape. The cities themselves are known for their baroque architecture, spacious parks, and cultural events. Mannheim is also home to a large industrial harbor, while Karlsruhe is renowned for its scientific research institutions, including the Karlsruhe Institute of Technology. Both cities offer an excellent mix of urban and rural lifestyles, with a range of shopping, dining, and outdoor activities available to residents and visitors. The Baden-Württemberg region is also known for its wine production, with many vineyards and wineries located nearby.

Location

What swimmers say

Activities

Picnic Swimming Cycling

Water sports

Boating

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Plan your swim

Before you go

  • Cold water shock is real. Enter slowly and control your breathing.
  • Lake water can be much colder below the surface (thermocline)
  • Stay close to shore until you know the conditions
  • Watch for boat traffic and stay visible with a tow float
  • Check for blue-green algae warnings before swimming

Conditions change fast. Always check the latest data, read recent community reports, and swim within your ability.

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Frequently asked questions

Is this lake safe for swimming?

Check the Conditions tab for surface state and wind conditions. Review the Quality tab if this is a designated bathing water. Always read recent community reports for local advice.

How cold is the water?

Check the Temperature tab for the current estimate and 7-day trend. Lakes hold heat longer than rivers but can develop a thermocline. The water below the surface can be dramatically colder.

What should I bring?

A tow float for visibility (especially important where boats operate), warm layers for after, and consider a wetsuit in colder months. Check for designated swimming areas.