Hi Jan
You're wait is over
I used to fish the N Esk regularly a few years ago but haven't fished it for about 5 years.
You may find this link helpful
http://www.fishesks.co.uk/I used to fish Gallery and Canterlands which are beats on the lower river.
It is not a big river and a single handed rod of 10' will do most of what you need. Occasionally I would use a 15ft double hander to get better presentation.
You don't say what time of year you are going and it does make a difference.
The fishing has improved in the spring recently but note the mandatory catch and release up until 1st June.
The summer can be difficult if levels are low, but there are sea trout at night and usually plenty of grilse from May/June onward.
September / October are probably the best bet for Salmon throughout the river but availability can be an issue. Some of the lower beats have been syndicated and are difficult to get on.
For summer / Autumn fishing a floating line is adequate with perhaps a sink tip or sinking polyleader when there is plenty of flow. Most of the normal flies work, with smaller sizes being more effective in the summer. I would not be without a stoats tail for summer and Autumn and maybe a silver stoats tail earlier in the spring. The Ally's shrimp and Cascade shrimp are very popular and catch a lot of fish.
Spinning and fishing with the worm is allowed on some beats in certain water conditions but N. Esk is predominantly a fly water. Fishing with shrimp or prawn bait is not allowed anywhere on the river.
It is a very scenic river and just about all of it is enjoyable to fish.
Let me know when you are coming, I might have some more up to date news.
Cheers
Dave
Oops
Just re-read youre post and see that you are coming in April.
OK, good chance of plenty of water and even some fish. Sink tip should be OK but bring a sinking line just in case. Silver stoat or small tubes along with a selection of shrimp flies. Cascade shrimp has been successful this year (but everyone is using it). Water will be cold and weather could be interesting so neoprenes and lots of layers.
Have fun