there is a park in my neighborhood (Bellevue) called Weowna Beach Park along lake sammamish.
It is Old Growth with roughly 2.5 miles of roller coaster redwood path in a figure 8. stream, waterfall, some views. beautiful right now.
maybe not close for you, but it is worthy to note.
enter off of 168th Ave SE. google it.
easy access off I90.
p.s. running is ghey