C-MAP Discover North America Lakes Map Card for Marine GPS Navigation – Wide Coverage & AutoRouting

Explore more of the water with C-MAP Discover North America Lakes

When you plan a day on inland waters, clear, reliable charts matter. C-MAP Discover North America Lakes delivers broad coverage for US and Canada lakes while keeping chart detail sharp on select chartplotters from Lowrance, Simrad, and B G. This map card is designed to slot into your existing gear, offering chart data you can rely on as you navigate familiar routes or explore unfamiliar waterways.

The combination of wide coverage and rich chart data translates into practical on‑board benefits. You get ultra‑wide coverage without sacrificing vector detail, and you don’t need a subscription to access core routing features. The Hi‑Res Bathymetry layer, enhanced with HRB data and Genesis social map insights, helps you visualize underwater features such as shallow zones, drop-offs, ledges, holes, and humps as you plan or travel a lake route.

What you get with the Discover North America Lakes card

• ULTRA-WIDE COVERAGE that preserves essential detail across large inland regions
• FULL FEATURED VECTOR CHARTS derived from hydrographic information for dependable navigation
• HI-RES BATHYMETRY with integrated HRB data and Genesis social map insights for depth perception
• SUBSCRIPTION-FREE AUTOROUTING that automatically suggests routes based on chart data and vessel setup

Users can tailor the display to their preferences. Custom depth shading lets you mark a clear safety depth, switch to a paper-like view, or create your own shading scheme so what matters most is visible at a glance.

• CUSTOM DEPTH SHADING to emphasize safe depths and customize your map view
• COMPATIBILITY with HDS PRO, HDS LIVE, HDS CARBON, Elite series, NSSevo, NSSevo3s, NSSevo3, NSOevo3s, NSOevo3, NSOevo2, and Go models
• INSTALLATION on a Micro-SD card included in the package; follow the steps to use with your chartplotter

Real-world benefits and setup tips

Picture plotting a weekend trip through a network of lakes, with accurate depth cues guiding you away from shallow zones. Autorouting helps you compare options, while depth shading provides quick visual cues during busy turns or near unfamiliar basins. The bathymetry view enhances your understanding of underwater features as you adjust your path in real time.

With 12 months of chart updates included, you can refresh data as you explore seasonal changes or new waterways. The card is designed for straightforward insertion into compatible devices, with most chartplotters reading the Micro-SD card directly after removing it from the adapter.