Herman Slough, South Dakota: Fishing Spots and Seasons

• Overview

  Look for Herman Slough in Lake County, South Dakota. Beyond the shoreline you have mixed forest. The water covers some 27 acres, so pick a bank rather than trying to cover it all. On size it sits at the modest end of our Lake County list. Madison sits 2.8 miles from here and is the nearest stop. After that come Salem at 21 miles and Dell Rapids at 25 miles. It lies deep inside the county rather than near an edge.

• Where to Fish on Herman Slough

  Open data we checked carries no depth for this water. Read the surface for the wind lane, then fish the edge of it. Still water like this holds fish on the edges rather than out in the open. Reported across Lake County: common carp, white sucker, green sunfish, white bass and johnny darter. These are county-wide records, so not all of them will be in this water. Herman Slough fishes better once you know its edges.

• Seasonal Patterns

  Expect July to average close to 72°F, with January the cold end at about 13°F. A hard winter is normal, and the thaw brings a strong few weeks. Break-up comes around early April, and the run that follows is short and strong. In an average year the thaw lands around early April and the freeze near late November. Look to early summer and the first cool weeks of autumn. Plan any trip to Herman Slough around it.

• Tackle & Baits

  Nothing on record says whether the bank is open or closed. You can launch: the ramp is half a mile away. There is a toilet block some half a mile out. This sits inside Lake Herman State Park, so read the reserve notices first. Largemouth respond to soft plastics tight to cover; go weedless where the growth is heavy. Parking is often the real limit rather than the bank itself. Where parking is tight, arriving early solves most problems. Failing this one, try Lake Herman, 0.5 miles away. For Herman Slough in particular, ask before you travel.