1436 - Whaleback Shoal to Summerland Group Nautical Chart

The Heart of the Thousand Islands: 1436 - Whaleback Shoal to Summerland Group

Navigate the most iconic and intricate section of the St. Lawrence River with the 1436 - Whaleback Shoal to/au Summerland Group Nautical Chart. This professional-grade hydrographic reference is the definitive guide for the central Thousand Islands corridor. Covering the waters between Brockville and Gananoque, Chart 1436 provides the "ground-truth" data required for navigating the legendary Raft Narrows, the majestic Thousand Islands Bridge, and the scenic channels surrounding Rockport and Ivy Lea.

Precision Hydrographic & Visual Data

Produced to the rigorous standards of the Canadian Hydrographic Service (CHS), Chart 1436 delivers comprehensive information for this world-class boating destination:

• Rockport & Ivy Lea Coverage: Features high-resolution bathymetry for the high-traffic recreational hubs of Rockport, ON, and Ivy Lea, including marina approaches and public wharves.

• The Summerland Group: Detailed mapping of the islands and shoals that make up the Summerland Group, essential for navigating the tight channels and finding safe anchorages.

• Bridge Clearances & Landmarks: Provides critical vertical and horizontal clearances for the Thousand Islands International Bridge, as well as prominent visual aids like Boldt Castle on Heart Island.

• Hazardous Shoals & Narrows: Clearly marks the technical waters of the Raft Narrows and the namesake Whaleback Shoal, ensuring safe passage through areas where deep-water channels meet granite outcroppings.

A Technical Masterpiece for Your Island Cottage

Beyond its functional use in the cockpit, this chart is a sophisticated piece of maritime history and art for those with a deep connection to the River.

• Official Technical Aesthetic: Showcases the intricate line work, sounding density, and maritime symbols used by professional hydrographers.

• Vivid Print Clarity: Printed with high-definition precision on premium material, ensuring every buoy, depth contour, and light characteristic is sharp and legible.

• The Ultimate Thousand Islands Gift: An ideal memento for sailors, residents of Leeds and Grenville, or anyone who spends their summers exploring the "Mille-Îles."
  

  Feature	Details
  Chart Number	1436
  Location	Central Thousand Islands (ON / NY)
  Scale	1:25,000
  Key Areas	Rockport, Ivy Lea, Hill Island, Summerland Group
  Data Type	Hydrographic (Depths, Bridge Data, Navigational Aids)
  Publisher	Canadian Hydrographic Service (CHS) Standards