Unlocking the Unknown: C-MAP® Announces Significant Chart Enhancements for the Irish Sea, Land’s End (in the UK), and Central Europe

 

Updated: July 30, 2026 - C-MAP, a leader in digital marine cartography and cloud-based mapping, today announced its first major European chart update of 2026, delivering significant enhancements for recreational boaters and anglers across the continent.

Boaters today aren't just looking for a chart; they are looking for the confidence to explore further. By unlocking high-resolution detail in notorious stretches like Land’s End and the Irish Sea, and providing unprecedented clarity for over 1,100 German lakes, CMAP continues to remove the barriers to adventure.

"We're excited to announce a new update for our C-MAP users in Europe, " said Jakob Svensson, C-MAP Product Manager. "Improving over 1100 lakes in Germany was a fantastic effort from team helping our users navigate with greater confidence and precision."

Updates include:

Coastal Improvements in the UK across

  • Cornwall
  • Isle of Mann
  • Irish Sea
  • Isle of Arran

 

1268 Lakes improved across Europe.

  • 1146 in Germany alone, with the majority in the state of Mecklenburg-Vorpommern
  • 19 Lakes improved in Switzerland including Lungerersee, Sempachersee and Lac de Neuchatel
  • 14 lakes improved across Sweden in Västra Götaland, Dalarna and Jämtland
  • Other improved areas include Ireland, Northern Ireland, Austria & Finland
  • 44 new lakes across Switzerland including Lac d’Emosson, Lac de Mauvoison and Lac des Dix.
  • 28 new lakes across Austria including Wallersee, Zeller See and Grabensee

 

Major upgrades to Germany’s inland waterways bring sharper shoreline detail, more accurate waterbody mapping, and enhanced bridge and lock information for a richer on-water experience.

a. Enhanced geometry and positioning for 7000 bridges

b. Telephone numbers and VHF channels for 50 bridges

c. Vertical and horizonal clearances for 200 bridges

Learn more

 

Shaded Relief and Satellite imagery are exclusive to C-MAP Reveal and Reveal X and are available on a range of chartplotters from the Lowrance®, Simrad® & B&G® brands. Vegetation and bottom hardness layers are exclusive to Reveal X Charts.

These updates are available to both new users and existing consumers who purchased a chart within the past year and maintain an active C-MAP subscription. To explore the latest chart data for your area, visit  c-map.com/chartexplorer. 

Full Lake List PDF
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About C-MAP®

C-MAP is part of Navico Group, a division of Brunswick Corporation’s (NYSE: BC), and is a leader in digital marine cartography and cloud-based mapping, offering one of the world’s largest marine navigation digital chart databases. C-MAP’s portfolio includes the DISCOVER™, REVEAL™, and 4D™ chart ranges, which integrate with fishfinders and chartplotters from the leading marine electronics brands, and via the C-MAP App available on the App Store and Google Play.

 

About Navico Group

A division of Brunswick Corporation (NYSE: BC), Navico Group is the world’s leading supplier of integrated systems and products to industries ranging from marine to recreational vehicle and beyond. The Navico Group portfolio is comprised of industry-leading brands in power management, digital control & monitoring, networked devices, and marine electronics. Some of the many brands that make up Navico Group include: Ancor, Attwood, B&G, BEP, Blue Sea Systems, C-Map, CZone, Lenco, Lowrance, Marinco, Mastervolt, MotorGuide, Progressive Industries, ProMariner, RELiON, Simrad, and Whale.