VUS020R-St. Lawrence Seaway

Industry-leading coverage, clarity and detail with updated coastal charts that feature integrated Garmin and Navionics® content. Auto Guidance1 technology quickly calculates a suggested route by using your desired depth and overhead clearance. Includes Depth Range Shading for up to 10 depth ranges, enabling you to view your target depth at a glance. Up to 1-foot contours provide a more accurate depiction of the bottom structure for improved fishing charts. To give a clear picture of shallow waters to avoid, the Shallow Water Shading allows for shading at a user-defined depth