Warmest day of the year so far, not a cloud in the sky. Very muddy and buggy, particularly near the trailhead and the flat section of Semuhenna Trail. Began around 12:45pm. Passed by Balance Rock on the intersection with Old Indian Trail. Took Semuhenna Trail which levels out for about a mile before intersecting with Harrington Trail which is very steep, rising about 250 feet in a tenth of a mile. On the way I stopped at Josti's Vista which offers great views to the southwest. Once I crossed Up Summit Rd. the trail leveled off as I approached the summit. Although you can't go up the fire tower at the summit, the platform underneath still offers 360-degree views and images to help you identify the mountains on the horizon. I crossed 4 ski trails on the way down Old Indian Trail. Returned to the car around 3:15pm.