Salmon Fishing in Lake Ontario: Ultimate Angler’s Guide

As an avid angler who has spent countless hours navigating the vast and unpredictable waters of the Great Lakes, I’ve come to find a particular affinity for the challenge and beauty of salmon fishing in Lake Ontario.

This sprawling body of water, bordered by Ontario in Canada and New York in the United States, offers some of the most exhilarating salmon fishing experiences you can find. Whether you’re a seasoned fisherman or someone looking to dip their toes into the world of salmon angling, Lake Ontario has something to offer.

In this guide, I’ll share insights garnered from years of personal experience, aiming to equip you with the knowledge and enthusiasm needed to embark on your own salmon fishing adventures in these magnificent waters.

Understanding Lake Ontario’s Salmon

Lake Ontario coho salmon

Before we dive into the specifics of fishing techniques and hotspots, it’s crucial to understand the salmon species that inhabit Lake Ontario. Primarily, the lake is home to Chinook (King) Salmon and Coho Salmon, with the Chinook being the most sought-after due to their size and fighting prowess.

These species were introduced to the Great Lakes to control the alewife population and have since become the stars of the angling community.

Chinook Salmon Physical Characteristics

Chinook salmon are notable for their size, with adults commonly reaching over 3 feet in length and weights of up to 30 pounds, although specimens exceeding 50 pounds are not unheard of. They have a blue-green, silver, or black back with a silver underside and can be identified by their black mouth and gums.

Coho Salmon Physical Characteristics

Coho salmon are easily identifiable by their bright silver sides and dark blue backs when in the ocean. As they return to freshwater for spawning, males develop a striking coloration, with bright red sides, a dark green back, and a dark head, sometimes with a hooked nose known as a “kype.” Females also change color but are less dramatic in appearance.

Adult Coho typically weigh between 8 to 12 pounds, though they can reach up to 20 pounds in some cases. They usually measure about 18 to 24 inches in length, making them smaller than their Chinook cousins.

The Life Cycle of Lake Ontario Salmon

Understanding the life cycle of these salmon is key to locating them throughout the seasons. Spring and early summer see salmon feasting in the lake’s cooler waters, while late summer to fall marks their spawning run, drawing them closer to river mouths and tributaries. This lifecycle not only influences where you should fish but also when.

Gear and Techniques for Successful Salmon Fishing

Lake Ontario King salmon fishing with a downrigger.

Successful salmon fishing in Lake Ontario isn’t just about having the right gear; it’s about understanding how to use it effectively. Below, we delve deeper into the essential gear and advanced techniques that can set you apart on the water.

Advanced Gear Recommendations

Specialized Rods and Reels

  • Rod Length and Action: Opt for longer rods in the 8.5 to 10.5-foot range for trolling, as they provide better control and shock absorption during a fight. A rod with moderate to fast action is ideal for achieving the right balance between sensitivity and power.
  • Reel Types: High-quality baitcasting reels with a smooth drag system are crucial for handling the sudden runs of a large Chinook. Consider reels with a line counter to accurately set your trolling depth.

Tackle Enhancements

  • Diverse Lure Selection: Expand your lure collection to include a variety of sizes, shapes, and colors. Deep-diving plugs, cut bait rigs (herring or smelt), and large spinners can be particularly effective during different times of the day and seasons.
  • Leader Material and Length: Fluorocarbon leaders are less visible in water and more abrasion-resistant, ideal for wary salmon. Leader lengths between 20 to 50 inches can significantly affect lure action and presentation.

Electronics and Navigation

  • Upgraded Fish Finders: Invest in a fish finder with CHIRP sonar technology for superior water column penetration and target separation. This can be invaluable for identifying salmon holding depths and structure.
  • GPS Mapping Software: Utilize GPS with detailed lake maps to mark successful fishing spots, navigational hazards, and underwater topography such as drop-offs and reefs where salmon may congregate.

Refined Fishing Techniques

Trolling Mastery

  • Speed Variation: Experiment with trolling speeds to match the activity level of the salmon. Slower speeds (1.5 to 2.5 mph) can entice lethargic fish, while faster speeds (up to 3.5 mph) may trigger more aggressive strikes.
  • Downrigger Tactics: Utilize downriggers to maintain precise depths, adjusting for thermal layers where salmon are most active. Experiment with “stacking” multiple lines on a single downrigger to cover different depths simultaneously.

Jigging and Casting Strategies

  • Vertical Jigging: When salmon are located in deep water, vertical jigging with heavy spoons or jigs can provoke strikes from fish below the boat. Use a sonar to position directly over schools of salmon and jig the lure in a rhythmic motion.
  • Casting Techniques: In shallower areas or near tributary mouths, casting with spinners or spoons can be effective. Practice casting techniques that allow for longer distances and precise placement near structures or in channels where salmon may be lurking.

Other Gear

  • Fishing Gloves: Using fishing gloves can significantly enhance your fishing experience, providing several benefits that make them a worthwhile addition to your fishing gear.
  • Fishing Knife: A good fishing knife is an indispensable tool for any angler, serving a multitude of purposes that go beyond merely cutting line or bait. Its utility and versatility make it a must-have item in your tackle box.

Seasonal and Situational Adaptations

  • Spring Strategies: Focus on shallower waters where salmon feed aggressively on baitfish. Brightly colored lures can be more effective in attracting attention in the murky waters of spring.
  • Summer Tactics: As water temperatures rise, salmon move to deeper, cooler waters. This is the time to utilize downriggers and thermocline-targeting strategies to find salmon at greater depths.
  • Fall Approaches: During the spawning run, concentrate efforts around river mouths and tributaries. Switch to more natural bait presentations, mimicking the salmon’s prey moving into these areas.

Incorporating these advanced gear options and refined techniques into your salmon fishing repertoire can significantly enhance your success rates on Lake Ontario. Remember, the key to mastering salmon fishing is a combination of patience, persistence, and a willingness to continuously learn and adapt to the behaviors of these majestic fish.

Prime Locations for Salmon Fishing in Lake Ontario

Salmon season Lake Ontario.

Lake Ontario’s vastness can be daunting, but knowing where to start can significantly increase your chances of a successful outing.

Western Basin

  • Niagara Bar: An area where the Niagara River meets Lake Ontario, offering nutrient-rich waters that attract salmon, especially in the spring.
  • Olcott and Wilson Harbors: Known for excellent spring and summer salmon fishing, these areas provide access to deep waters close to shore.

Eastern Basin

  • Henderson Harbor: A hotspot for summer fishing, offering sheltered waters with abundant salmon.
  • The Trenches: Deep underwater valleys east of Oswego that are known for their late summer to fall salmon activity.

River Mouths and Tributaries

  • The Salmon River: Famous for its fall salmon run, this river offers some of the best opportunities for shore fishing and fly fishing for salmon in the region.

Timing Your Trip

While salmon can be caught in Lake Ontario throughout much of the year, timing your trip can greatly impact your success. Early spring to late June offers cooler water temperatures that bring salmon closer to the surface and shore, making them more accessible. Late summer through fall is the peak of the salmon run, where fish are more aggressive and gather in large numbers near river mouths.

Personal Insights and Tips

Salmon in Lake Ontario

Learning from the Locals

One of my most memorable salmon catches in Lake Ontario came after spending a morning chatting with local anglers at a small bait shop near Olcott. Their advice on local conditions and preferred lures led me to land a 30-pound Chinook by noon. Don’t underestimate the value of local knowledge; it can be as crucial as any gear in your tackle box.

Respect the Weather

Lake Ontario’s weather can be as fickle as the fish. I’ve learned to respect the lake’s moods, always checking weather conditions before setting out. Sudden storms can arise, turning a peaceful day into a perilous situation. Safety should always come first.

Conservation Efforts

Participating in catch and release, following size and bag limits, and respecting closed seasons are all crucial for ensuring the sustainability of Lake Ontario’s salmon population. We’re guests in their habitat, and it’s our responsibility to ensure future generations can enjoy the same thrill of the catch that we do today.


Salmon fishing in Lake Ontario is more than just a pastime; it’s an adventure that tests your skills, patience, and respect for nature. Whether you’re trolling the deep waters off the Niagara Bar or casting flies in the Salmon River, the thrill of hooking one of these magnificent fish is an experience that keeps anglers coming back year after year.

With the right preparation, knowledge, and respect for the environment, you too can join the ranks of successful salmon anglers on Lake Ontario. Here’s to tight lines and tall tales of the one that didn’t get away.