There are so many spots in Olympic National Park, that we didn’t get to explore as many as we would have liked in one road trip. Overview on Things to Do in Olympic National Park Washington:This is a 0.8-mile easy loop with 100 ft elevation gain. PinThis 18-mile hike takes you to Blue Glacier. This 0.8-mile hike takes you to Sol Duc Falls and several smaller ones along the way. Have you been to Olympic National Park?