Best Sink Tip Fly Line For Trout

Best Sink Tip Fly Line for Trout

Fly fishing in rivers brings a whole new dimension into the sport of fly fishing: moving water.  And sometimes pretty fast-moving water at that. Big streamers and wet flies in the current can be tremendously effective for large trout, salmon, and steelhead.  But first, you need to get your fly down to the depth where the fish are feeding.

Below I have mentioned some of the best Sink tip fly line for trout, keep reading for more information on sink tip.

There are a number of ways to get your fly to sub-surface feeding fish.  Those methods all have their advantages and disadvantages.  We need to decide which type of sinking tip fly line will perform the best for your needs?

Which sinking tip fly line is best for your needs it will depend on your preferences and how you intend to fish. 

Best Sink Tip Fly line for Trout

To choose the best fly line for trout, you must know what type of tapering and weight is suitable for the trout layer. According to experts, 4-7 medium weights fly lines with Double Taper (DT) and Weigh Forward (WF) tapering are very good for flying in trout. Further, fly lines must have a backing strength of at least 20 lb. for Trout.

In moving water, getting flies deep down on the water surface can be challenging. Therefore, sinks tips are introduced to tackle this problem. These sink tips are constructive for getting flies in the deep water where the big trout eat.

It does not matter which fly line you will choose; it must be compatible with your rod and reel weight for proper balance. Therefore, you must check your rod and reel weight before purchasing a fly line for a better experience. 

Keeping in view the above perspectives of the trout layer, we will tell you the four best Sink Tip fly lines for trout that our experts shortlisted for you after experimenting with fly lines of different brands. Let us see these fly lines now! 

RIO InTouch SinkTip Fly Line: 

When it comes to performance, RIO InTouch is the best fly line for fishing. It is specially designed for deep water, keeping in view the density of the water surface where trout lives. Furthermore, its sink rate is almost 3-4 inches per second, making it an excellent choice for streamers fishing in fast trout water. Therefore, it is the best option for you if you want trout fishing in fast and deep water without any issue of casting.

Eliminates Casting Hassle:

Usually, sink tips with heavy lines are difficult to cast. However, RIO has an ultra-low stretch technology with a 15ft long tip attached to a fatter tippet that eliminates the hassle associated with casting sink tip lines. Furthermore, its longer front tapers ensure that the line does not dump on forward casting.

Supple Floating Body:

 Its supple floating body section permits anglers to easily control the way flies move, making it a perfect solution for river anglers. This technology lets fly lines float on the water, reducing the drag, making the casting easier. Additionally, it is also beneficial for casting a bass in shallow lakeshores.


  • Tapering 15ft forward weight\
  • Size 5 weights
  • Material Plastic

Scientific Anglers Sonar Titan Fly Line:

Scientific Anglers is one of the best fly lines with the fastest and deepest sink rates. It is the perfect streamer line for wade or boat fishing and provides you three different depth fishing solutions depending on density and pressure at such depths. Usually, the trout layer is 30-60 feet below the water surface. You can select different fly lines from this brand like Anglers Sink 3, Sink 5 and Sink 7, depending on your desired depth. 

Besides, it doesn’t compromise your safety and prevents you from cuts and blisters on your fingers. Therefore, you don’t need any gloves or tapes for using the Sonar Titan fly line. 

Fastest Sinking Speed:

It provides the fastest sinking speed that is 6 inches per second. If you are fishing 30 to 60 feet deep, it will only take 10-20 seconds to reach the target. It has excellent contact with water and can sink unweighted flies to the bottom instantly.

Far Targeting and Excellent Turnover:

It uses a fly line with different weights at the ends of the line, making it optimal for quick loading and delivering more giant flies to a very distant target. Further, it has a short and powerful head that helps in excellent turnover. Therefore, it is also beneficial in throwing streamers at smallmouth bass, pike, salmon, and steelhead.


  • Tapering forward weight
  • Size 5, 7, and 9 weights
  • Material Plastic

SF Sinking Tip Fly Line 90 FT/ 100 FT:

It is the most affordable fly line having an optimal balance between sink speed and cast. It has 5 to 7 weights with 3-4 inches per second sinking speed, making it a fantastic choice for fishing trout. One distinguishing feature of this product is that it has a black sink tip at the end that hides the line near the fly and can be used to manipulate the target. Further, it is suitable for both beginners and experienced anglers and ideal for use in streamers and freshwater. 

PVC Coated Sinking Line:

Its sinking line is made of high-quality Polyvinyl Chloride (PVC) braided core. In addition, it utilizes a trapped air cell that provides both mass and floatation to fly lines, essential for floating trout lines. Furthermore, added mass also helps a lot in mending and provides stretch depending on core type.

Welded Loops:

SF also includes welded loops at each end, at the reel, and the tip. Therefore, it is easier to tie nail knots with the leader. Further, it also comes up with a spool that makes it convenient to get onto your reel quickly.


  • Tapering forward weight
  • Size 5 or 7 weights
  • Material PVC coated

RIO Mainstream Trout Fly Line:

This fly line series is skillfully designed to meet all average and novice fly anglers’ requirements. It is created to optimize the rod performance with slightly heavier and shorter head lengths. So, if you have to change the rod’s size depending on the cast, it will automatically adjust itself with the rod length.

Front Tapper:

It utilizes a front tapper that assists the angler to cast at a very long distance. Its head is hefty and small enough to carry the fly line through guides to your target. Further, the heavy tip also helps maintain flies to the deep trout layers that make it a fantastic choice for streamers. Additionally, these front tappers also provide an excellent turnover without any difficulty.

Tip and Sink Rate:

It has a 12′ long tip with 3-4 inches per second sink rate that is amazing at such a reasonable cost. It does not include a welded loop that makes it a little band. However, it is still the best option at this price. 


  • Tapering 12 Ft forward weight
  • Size 4 weights
  • Material Plastic

Why Choose A Sinking Tip?

Before you select a sinking tip fly line you need to know why the characteristics of a sink-tip are advantageous in moving water.  Just like full-sinking lines, sinking tip fly lines are made to sink at a specific rate that is given in inches per second (IPS). 

While casting, the slack from a sinking tip line won’t sink around your feet, tangled in the rocks, and get hung up on river bottom as a full sinking line will.  This is because the main running line on the sinking tip line is actually floating line, and only the tip will sink.

Sinking tip lines will allow you to get your fly down while avoiding the tangled mishaps that can easily occur in the shallows.

It is obvious that you don’t want to fish a fast sinking tip line in the water that is too shallow, because you’ll snag bottom.  With that in mind, the most important consideration is at what depth you expect to find the fish feeding.

Casting a fast sink tip in relatively shallow water will require a faster retrieve.  But if a fast retrieve is what draws strikes, then a fast sinking line might exactly what you need.  That will also likely be the case if you need your fly to get down quickly due to fast-moving current.

 If you find that the fish are prone to take during a slow retrieve, or even during pauses in your retrieve, then you will need a slow sink tip line to avoid losing all your flies on the bottom.

For your best chance of success, select a sinking tip or full sink fly line suited for the water you intend to fish.  Some of that comes with experience and knowing the water you are fishing. 

Most of the anglers who are just dabbling in the sport of fly fishing use entry-level gear. Even the most experienced fly anglers usually start with inexpensive fishing gear and upgrade as needed.

Should I Use a Sink-Tip or Full-Sink Fly Line?

We get asked this question a lot

Success in fly fishing is all about opportunity. Sometimes, the opportunity will present itself in the form of a caddis hatch and rising, feeding fish. This is when you should tie on a dry fly and go for it.

Other times, insect and fish activity are not as obvious. That’s when you create your own opportunity. One way to do it is to tie on a streamer, go deep, and do your best trick a nice trout.

Fly Fishing with a Sinking Line
Fly Fishing with a Sinking Line

Just as there are specialized dry fly-fishing lines for dry flies, there are also specialized lines for streamers. If you want to get serious about fishing below the surface, you need to familiarize yourself with these types of fly lines.

Sink-Tip Fly Lines

Just like the name implies, only the front of these lines sinks the remainder of the line floats.

Different lines offer sink tips that have different densities and sink rates. Pick the one that matches your needs.

Some sink-tip lines feature changeable front sections. You can different sink rates to match your fishing conditions.

Sinking tips will get your fly down and make it easier for you to mend the line and get a proper drift or swing.

Integrated sinking tips with large diameter midsections will let you cast heavier flies further with fewer false casts.

When using sink tips, just strip the line to where the sinking section begins. Then start your cast, double haul it once, and then shoot the line forward with limited effort.

Full Sink Fly Lines

While sinking tips can get a fly down, sometimes you’ll need more power to get a big streamer to the bottom of a fast-moving current or deep lake. This is when a sinking line makes the most sense.

These lines are available in different densities and sink rates, so you can match lines to the way you’ll be fishing.

This will help get your fly down faster and in the zone quicker. This is a key factor when your streamer fishing in fast current or from a boat floating downstream.

Traditionally, the middle sections of sinking lines sank deeper than the thinner ends. This caused a big bow in the line which made the fly rise above the line’s belly.

While this had its advantages (it’s a great way to fish deep, weedy areas) it made it hard to feel your fly and react to quick takes.

The latest sinking lines are density compensated. This means the tip sinks at the same rate as the midsection. This will help the line maintain a straight connection between you and the fly.

It also keeps you in contact with your fly throughout the retrieve, so you’ll be able to detect the slightest strikes.

When to Use Them

This is something we have all done after a day of fishing dries and nymphs off of a floating line, we switch things up and tie on a streamer.

But trying to cast this big fly with a floating line is awkward. It’s also a lousy way to get it down to where the fish are, even with a string of split shot pressed on the leader.

Sink-tip along with sinking fly lines can muscle big flies around and get them down to where they need to be. If you’re drift fishing and have a few brief shots at fishy looking spots.

Rainbow Trout
Rainbow Trout

Then a sink-tip or sinking line can get your fly right down to where the fish will be. If you’re wading, these lines can keep you in the zone longer and increase the odds of success.

Most streamer-caught fish will hold tight to the structure on the bottom and then rise to chase the fly. With a sinking line, you can swim your flies right across the structure and directly in front of them.

This reduces the distance that a fish has to travel to attack your fly.

Join the “In” Crowd

These days, streamer fishing is more popular than ever. This has a lot to do with the design of the modern sink tip and sinking lines.

Not all that long ago, these lines were very hard and cumbersome to cast and fish.

Today, there are a lot more options that are available to streamer fisherman. They make casting large streamers and getting them to fishy levels easier than ever.

And the big trout that fishermen are consistently catching, proves just how effective this kind of fishing can be.

Dean Jensen

I started fly fishing in 1972 and I have learned quite a bit about this wonderful sport called fly fishing and I want to share some of the things that I have learned.

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