Favorite one day hikes close to Seattle....

Here are my favorite one day hikes close to Seattle. I have them listed here in the order of easiest and shortest to longest/hardest. All are close enough to Seattle to be do-able in a day.

-Tiger Mountain (about 1800 ft elevation gain, 3 hours hiking time) A relatively easy hike, good if yor time is limited. Can be very crowded. Very close to Issaquah.
-Mt. Si (about 3400 ft elevation gain, 3-4 hours hiking time). An excellent workout and the view is great at the top although the route up is relatively uninteresting.
-Granite Mountain (about 3800 ft elevation gain, 4-6 hours hiking time) A wonderful hike. Great workout and stunning views most of the way up with excellent views of Rainier. This is a classic hike.
-Camp Muir (Mt. Rainier) (about 5500 ft elevation gain, 6-7 hours hiking time) Fantastic hike that gets you up close to the stunning beauty of Rainier w/o requiring any special mountaineering skills. This is a 2-3 hour drive from Seattle, so to do this in a day you need to arrive at Paradise by 8 AM or so in order to get home at a reasonable time.

All of these can be done by hardy kids age 10 and up but the times will be longer. The first three are in the I-90 corridor right off the freeway.