6109 - Sandpoint Island to Anchor Islands Nautical Map | Rainy Lake Navigation

Navigate the heart of Rainy Lake with the high-resolution detail of Nautical Chart 6109. This official hydrographic map provides essential coverage for the central transition of the lake, spanning from Sandpoint Island to the Anchor Islands. This region is a critical crossroads for mariners traveling between the western basin and the expansive North and East Arms.

Chart 6109 is indispensable for safely traversing the island-dense waters that define the central Rainy Lake corridor. Given the rugged Canadian Shield geology, the chart features precise bathymetric soundings to identify hazardous rocky shoals and submerged reefs that can be treacherous for even experienced boaters. It provides the exact positioning of all seasonal navigational aids, including buoyed channels and lights, and clearly marks the international boundary between Ontario and Minnesota. Whether you are navigating a houseboat through the scenic Anchor Islands or scouting for trophy smallmouth bass along the rocky points of Sandpoint, this chart provides the professional-grade accuracy required for safe pilotage.

Key Features:

• Central Lake Coverage: Detailed mapping of the pivotal waters between Sandpoint Island and the Anchor Islands group.

• Hydrographic Precision: Features updated depth contours and bottom characteristics vital for navigating the lake's complex underwater topography.

• Safety & Navigation: Clear identification of hazardous reefs, narrow channels, and the primary navigation routes used by cross-lake travelers.

• Cross-Border Accuracy: Includes precise markings for the Canada-U.S. international border and essential navigational aids.

  Chart Specifications

  • Region: Central Rainy Lake, Ontario / Minnesota.

  • Key Landmarks: Sandpoint Island, Anchor Islands, International Boundary.

  • Format: Available in high-quality paper or durable waterproof prints.