How to fish lakes and reservoirs
Large still waters where fish follow depth, temperature and food. Find structure and the depth they're holding at, and a big lake gets small quickly.
Last reviewed 26 September 2026 · Editorial policy
How this water works
A lake looks uniform from the bank, but fish use a small fraction of it. Drop-offs, weed edges, points, inflowing streams and submerged timber concentrate food and cover. In summer many lakes stratify into a warm upper layer and cold deep layer, and fish often hold near the boundary where oxygen and temperature suit them. Reservoirs add steep dam walls, drowned roads and old river channels that act like highways.
Where fish hold
Points and drop-offs
Where the bottom falls away quickly, fish can move between shallow feeding and deep safety with little effort. Work a lure or bait along the break rather than over flat, featureless bottom.
Weed edges
The outer line of a weed bed holds baitfish and the predators that hunt them. Fish parallel to it so your offering stays in the zone longer.
Inflows
Streams entering a lake bring oxygen, cooler water and washed-in food. They are especially productive after rain and in warm weather.
Wind-blown banks
A steady wind pushes surface food and warmer water toward the downwind shore. Fishing into the wind is less comfortable but often more productive.
Submerged timber and rock
Fallen trees, stumps and rock piles give cover to ambush predators. Expect snags — step up line strength and use weedless rigs where you can.
What suits this water
- Rod
- Medium spinning or baitcasting rod, roughly 6'6"–8' from the bank; longer for float and feeder work
- Line
- Match the target species; braid helps feel bites at distance and depth
- Useful extras
- Plumbing or marker lead to find depth, polarised glasses, a thermometer
Stay safe
- Reservoir banks can be steep, loose or slippery — especially dam walls and riprap.
- Never walk on ice unless you know it is safe and permitted locally.
- Check whether the water is private, club-controlled or needs a permit.
Where it goes wrong
- Fishing the nearest flat water instead of looking for a change in depth or cover.
- Staying in one depth all day when fish aren't there.
- Ignoring the wind — it moves food and fish.
Fish you'll find here
Techniques that work here
How-to guides for this water
Common questions
Where do fish go in a lake in summer?
Many species move to deeper, cooler water during the day and come shallower to feed at dawn and dusk. Shade, weed, inflows and wind-blown banks are also worth trying.
How do I find depth from the bank?
Cast a plain lead and count how long it takes to hit bottom, or use a plumbing weight on a float rig. Changes in count across a swim tell you where the bottom drops away.