Same ABC, re-edited for more readability (broken rhythm signs instead of numbers, anacruses at the start rather than the end of parts, everything aligned):
X:1
T:The Waterfall
C:Martin Lynott
S:Northern Frisk
M:4/4
L:1/8
Q:1/4=120
K:Cmajor
c>d|e3 f e>dc>d|e2 A2 A2 e2 |d3 e d>cB>c|d2 G2 G3B|
A>EA>B c>Bc>d|e>dc>d e>ga>b|a>ge>d c>dc>B|A6 :|
(3e^f^g|a>ec>e d>BG>B|A>FD>F E>C A,2|(3A,B,C (3B,CD (3CDE (3DEF|E>DC>D E2
(3e^f^g|a>ec>e d>BG>B|A>FD>F E>C A,2|(3A,B,C (3B,CD (3CDE (3DEF|E>DC>B, C2
(3e^f^g|a>ec>e d>BG>B|A>FD>F E>C A,2|(3A,B,C (3B,CD (3CDE (3DEF|E>DC>D E4|
A>EA>B c>Bc>d|e>dc>d e>g`a>b| a>g`````e>d c>d```c>B|A6 |]
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Isn't the tempo rather slow?
It's too much like other tunes I know for me to want to learn it, I'd get horribly confused.