It has been asked frequently where the locations for couple water-fetching quests.

For the tourists quests with the forestfire:

Go towards the river behind the abandoned summer home, the head north a bit until you get to a little beach. You will see the watermill almost directly across the river. You can dismount and fill up the bucket anywhere from here.

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The ‘meltwater’ refers to the glacier above Valedale Village. Go across the bridge toward Avalon’s house, and then go north along the river, by the water reeds. It’s a similar location you got the waterlily for the sick horse.