What Size Line Should I Use for Trout Fishing

What Size Line Should I Use for Trout Fishing?

Fishing line is rated based on pounds of pressure the fisher can put on it prior to breaking. The test rating of the fishing line range from 2# up to more than 100#; one thing to keep in mind is that this is a static load rating beneath the utmost conditions. The condition of the fishing line affects the strength of the line on the spool.

What Size Line to Use For Trout Fishing

So, which size line should I opt to when going trout fishing? If you go still fishing with casting or bait and spinners and spoons, then six pounds of test mono or fluorocarbon fishing line may be a perfect choice.

However, if you go trolling, you can make use of the ten-pound test mono or braid that has a six to eight-pound test. Given a choice, a lot of fishers or anglers out there choose fluorocarbon invisibility as the leader or mainline since trout most of the time is a line shy.

2# to 4# Monofilament Line

When casting spinners, then using a light bottom rig or robber, you’ll find utilizing 2#-4# test mono fishing line for trout.

It is rare to encounter fish that are heavy to break the fishing line because of their size. So, the chance of breaking might be because of an incorrect knot or poor tied knot.

Using Heavy Line for Fishing

A usual mistake is to make use of extremely heavy line when trout fishing. It is scary to use a fragile, sheer, thin line in catching trout. So, size up to 6# or 8# test line. The only issue that the bigger the size of the lines, the higher the chance of suffering from decreased castability on the reel.

Using Light Line for Trout Fishing

It’s so hard to opt to a light fishing line if you plan to catch a trout unless you’re targeting a huge one. Rarely trout will go beyond the weight of 1#, and there are many other things that make fishing using light line achievable, without losing fish on a constant basis due to line breakage.

Other Attributes of the Fishing Line

There are other vital factors to think of when going for trout fishing, aside from pure test strength, such as:


Fishing line is the general rating of how a particular line casts. There’ no specific metric for it; however, it is a subjective gauge of how a fishing line comes off the spool and goes in the eyelets.

A small size, soft fishing line are vital features for a line when fishing with a spinning rod.

Line Stretch

Monofilament lines have some stretch, which is good and sometimes bad. As stated, the stretchiness serves as a shock absorber once fighting a fish.

However, it is not responsible if you like to hook set it. Also, you will feel an extremely slight nibble. Because of this, in cases where those are vital, fishers will switch up to a braided line or fluorocarbon.

Line stretch is not an issue for usual trout fishing. It will be likely to work to your advantage, most especially if you are a newbie in fishing.

Line Memory

This is a vital feature of a fishing line. This is a propensity of a line to hold the shape. So, make sure to check the line memory of the fishing line, and if you don’t have an idea about, you can ask the providers of the said fishing gear.

The line which stays curl up is indeed an issue. Thus it will not cast and just cause lots of issues.


So what is the best size line for trout fishing? The simple answer is to use the 2# or 4# fishing line. More than this, you must be aware that shade does play an essential part in how apparent the line underwater. What is more, a quality fishing line that has low memory, as well as high castability, will boost your access and your enjoyment of trout fishing journey in general.

A high-quality monofilament fishing line for trout fishing is not costly. So, make yourself a favor, buy a superior and high-quality brand that is sufficiently big to fill your spool.

You can choose the best fishing line for trout here.

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