McCook Lake near North Sioux City: Fishing Spots, Seasons and Access

• Overview

  You will find McCook Lake in Union County, South Dakota. It stands 1,076 feet above sea level. At about 191 acres, a day is enough to walk the shoreline properly. The margin runs to about 4.0 miles in total. By elevation it sits in the lower part of our South Dakota listings. 2.2 miles away sits North Sioux City, the nearest town. Sioux Falls sits 70 miles out, and it is the nearest city worth the name. Being near a boundary, it pays to know which side you are fishing.

• Where to Fish on McCook Lake

  Depth is not on record here, which means reading the ground instead. Still water like this holds fish on the edges rather than out in the open. Read the surface for the wind lane, then fish the edge of it. Reported across Union County: channel catfish, common carp, white sucker and johnny darter. Species recorded across the county may be limited to a few waters. Fish McCook Lake to its features, not to its size.

• Seasonal Patterns

  Climate records put July near 75°F and January near 18°F. The season turns properly here, and fish follow it closely. Ice-out usually falls in late March, and the weeks after it fish hardest. Average temperatures cross freezing around late March in spring and again near early December in autumn. Look to early summer and the first cool weeks of autumn. Time your trip to McCook Lake by conditions rather than dates.

• Tackle & Baits

  No public source sets out the position on this bank. Records list it as a natural water body rather than an impoundment. It is recorded as an oxbow, which means still water with a river's shape. There is somewhere to leave the car, half a mile off. Gates get locked out of season on water like this. Rules for boats are stricter than rules for the bank in many places. Pavlik Lakes at 10 miles is the sensible second choice. Nothing on McCook Lake should be assumed from this page alone.