If you are planning a trip to Arenal, Costa Rica then you MUST add white water rafting to the list. We had it on our list as an option, but as activities and prices started adding up, we weren't sure we were going to go through with it. However, after one local waiter said one thing we MUST do is white water raft and one friendly stranger told us that she had just gotten back from one of the most fun days on the river, we decided we had to add rafting to the list. One recommended rafting with Ar[...]