This was the highlight of a 26 mile bike ride, including 5.2 miles round trip through the Snoqualime Tunnel. This waterfall is tucked away in a cove off the trail, across from Keechelus Lake, about four miles from the nearest trailhead. Unfortunately, as remote as this might sound, I-90 is plainly visible across the lake.
For another view of these falls from a further back position, see Iron Horse State Park - Hidden Waterfall.