The Telegraph reports:
Anna Paterek took her horse, Magic, to a river with the hope of curing his fear of water.
At first she tried to ride him into the river, but Magic was very cautious.
So Anna got off and walked him into the river herself to show it was safe.
What happened next Anna described as "the best thing ever".
There's more at the link. Here's how it went.
Looks like a splashing good time was had by all!