#1: CELON is a 4/5 letter match for 'canoe', and... y'know... sailing, river.
5: The fens I can think of are Serech, Aelin-uial/fens of Sirion, the Gladden Fields, and the Nindalf/Wetwang at the Mouths of Entwash. The Sirion delta might also count. I can't conjure up an answer from those areas though.
hS
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