Traveling to Seattle for first time for 6 days in August. Want to visit national park or maybe more than one. 2 people, enjoy day hikes of 4-8 miles in length (moderate, but not killer-strenuous), scenery, wildlife, etc. Recently been to Tetons, Glacier National, Ouray Colorado, Moab, etc. Not sure if one park is much better than another (of 3 in subject line). Best to settle down at only one park? Or split time between 2? Maybe all 3? Not sure if weather is different between them. Looks like a lot of distance between them. Don't mind missing one if there is plenty to do in others. Don't like wasting too much time in car. GREATLY appreciate any advice anyone can provide...will plan based on your recommendations. :) Thanks!!!