Cossatot River State Park will offer a weekend of “incredible journey” and snorkeling.

An “incredible journey” is scheduled for 10 a.m. Friday, said naturalist and park interpreter Stephen Walker.

“Where will the water you drink this morning be tomorrow? Do you know the five basic concepts of the water cycle?” asked Walker. “Find out the answers to the questions and embark on a journey of your own as a water molecule and see where you end up.”

Participants are asked to meet at the visitor center classroom.

At 2 p.m. Friday, a snorkeling adventure...