Details

Hike the Taylor River trail 5.6 miles, 0.8 miles past the concrete Big Creek bridge. Find the Snoqualmie Lake trail branching off to the left. Trail signs seem to come and go, but you will not miss this, even if unmarked.
At first the trail is not terribly pleasant. There are some rough stony spots, some areas with encroaching brush. Then, after about 1/4 mile, something magical happens. The trees get big. The moss gets thick. The ferns and berry brush become less jumbled under a darker canopy. You have just crossed the line between the history of aggressive logging damage and the history of token resource preservation. Welcome to the Alpine Lakes Wilderness.
At about 0.7 miles, you draw close to the Taylor River, now
just the outlet creek from Snoqualmie Lake, and make the first
sweeping switchback to the left. There are two more switchbacks
over the next 1.0 miles as you gain 800 feet — easily managed.

After the last switchback, begin a long sweep, turning gradually east and then southeast, passing a couple of feeder creeks on scattered boulders, and then see the outlet falls from the lake not far below the trail.

As you finish this bend, you pass between imposing small
peaks on the left and the right — I call them the "Pillars
of Hercules." At last the trail levels out, passes through some lush
vegetation, you soon reach the first campsite. This is good
for snow season, but otherwise you should probably continue on.
The trail next takes you around the northeast corner of
the lake past a soft swamp-meadow — too soggy for a camp.
There is a short uphill grade to climb up and over a peninsula
overlooking the lake. Not far on the other side, a side track
to the right can take you down to the most popular campsite beside
a shallow bay.
But you relish obscurity, right?
What you will do is look for a brush pile in a slight depression,
on the north side climb of the peninsula before you reach the top.
Many years ago, a hard winter deposited broken limbs and debris
that hid the side trail up to the right, and it has been lost ever
since. Leave the main trail, pick your way across the minor
debris pile, and at the top, on the other side, you will see the
abandoned path to an uncrowded camp under the trees, top-center on the
peninsula. From there, weave your way through the fallen trees
and moss blankets to the end of the peninsula to fish deep
water, or descend to the north side of the bay to an
exceptionally appealing swimming beach.

This is perhaps the second-best swimming lake in the Alpine Lakes Wilderness. The lake bottom is firm, the water temperature is unusually comfortable, and there is a refreshing smell that is hard to describe.