Well .... where to start ? I've had a shot of both, Canada and Scotland.
Went to Alberta last year and did the Canadian Float Rating. Like Vedeneyev says, you can get a Temporary Canadian Licence (actually valid for 6mths) and after passing the course (no written exams required) get the Canadian Float endorsement.
However, I think you will find it impossible to rent any floatplane unless you have AT LEAST 50 hrs of float time. They will at least let you do the hour solo - which is brilliant !!
I flew at Cooking Lake with
Allison Air and can recommend them. No mountain flying or anything like that - just lots of splash and goes in a Super Cub.
And got to go solo at the end. Did help that I was staying with friends nearby as Edmonton is pretty flat. But you can drive into Jasper and the Rockies quite easily.
Anyway. Return to Scotlandia and been flying with Marilynn at
Caledonian Seaplanes ... way to go.
Don't stress yourself out because, the truth is if you want to fly solo in the UK the only way is to buy your own. Insurance requirements are so heavy that you would prob need aminimum of 50 hrs to be able to rent Marilynns Super Cub. But she is such a good instructress that it is a delight to just fly around and learn in slow time without pressure of exams .....
We've ridge soared with eagles and done loadsd of glassy water practice on Loch Tay - been down to Loch Lomond for lunch and done rough water landings on Loch Earn .. and then had fantastic food and overnight stays at the Drummond Hotel. And not forgetting the memorable lunches in the Royal Hotel in Comrie.
Ten out of ten.
If I had the time again I'd probably skip Canada and do it all at Loch Earn.