While Olympic National Park is very beautiful, with its lush green forests and misty ridges, it's not without dangers. For example, while the water in Lake Crescent may appear unnaturally clear, it's actually infested with parasites.
When we were hiking back from Marymere Falls, we stopped by this little creek to drink the water, not knowing that it was dangerous. As we were cupping the water with our hands, another hiker saw what we were doing and ran over to our group, literally screaming for us to stop. Thanks to one good Samaritan's quick actions, we could have all been saved trips to the hospital.