Snowgrass Flats Posted on November 10, 2007 by reidexplores Trailhead Elevation: 4,630 ft. Top Elevation: 5,830 ft. Total Gain: 1,200 ft. Distance: 8.5 miles r/t a late season trip in the foothills between mt. rainier and mt. st. helens. ended up getting snowed on during the night and froze my ass off!!! Rate this:Like this:Like Loading...