Grindstone Trail https://www.wta.org/go-hiking/hikes/grindstone-trail https://www.wta.org/logo.png Grindstone Trail Mount Rainier Area Location Mount Rainier Area Length Elevation Rating 4.00 out of 5 (4 votes) Log in to rate Save Hike to My Backpack Saved to My Backpack Share Print Grindstone Trail Hike Info 22 Trip Reports for this trail, below Grindstone Trail Map & Directions Trailhead Mount Rainier Area Mount Rainier National Park Learn Winter Safety Tips Learn Practice Leave No Trace on Trail and in Camp You can improve or add to this guidebook entry