Tahoe's Rubicon Peak: Stunning Views and a Fun, Short, and Easy Class-3 Scramble
The climb up is only 1.75 miles and about 2300 feet of gain. The route to the summit is a super simple 3rd class scramble. Once on the top there is a somewhat exposed ridge to cross, but it is wide enough to provide an easy 100 foot stroll to the actual summit.
When I lived in Seattle I really appreciated having my "outdoor gym" nearby with a lot of great close "I-90" hikes. Getting to the summit of Rubicon Peak took about the same physical effort as Tiger Mountain's Nook Trail. The two exceptions are: 1) the views from Rubicon are a bit more "awesome", and 2) a fun and super-easy 3rd class scramble on the summit block.
2300 feet of elevation gain
Two hours and 45 minutes round-trip