Your Premier Map for Seafaring Through the St. Lawrence Seaway

Set Sail with Confidence: Gain unparalleled clarity, coverage, and charting detail for your nautical ventures through St. Lawrence Seaway and beyond.

Chart Your Course: A Closer Look at the Details

BlueChart g3 Vision HD - VUS020R offers meticulous coverage of the St. Lawrence River, from Brockville, Ont. to Sept-Iles, Que., including the additional details for Montreal, Quebec, Lake Champlain, Lac Saint-Jean, and even the Hudson River up to Troy, NY.

Technical Genius: Features That Define Us

• Integrated Garmin and Navionics® data for ultimate clarity
• Auto Guidance technology for efficient route planning
• High-resolution relief shading for an intuitive understanding of underwater terrain
• Up to 1-foot contours for precise depth representation