Boundary Trail - Rainier https://www3.wta.org/go-hiking/hikes/boundary-trail https://www3.wta.org/@@site-logo/wta-logo.png Boundary Trail - Rainier Mount Rainier Area Location Mount Rainier Area -- NW - Carbon River/Mowich View map below Length Elevation Rating 3.00 out of 5 (5 votes) Log in to rate WTA worked here: 2014 Save Hike to My Backpack Saved to My Backpack Share Print Boundary Trail - Rainier Hike Info 35 Trip Reports for this trail, below Boundary Trail - Rainier Map & Directions Trailhead Co-ordinates: 46.9766, -121.8306 Open map in new window Trailhead Mount Rainier Area -- NW - Carbon River/Mowich Mount Rainier National Park See weather forecast Learn Day Hike Packing List Learn Winter Safety Tips You can improve or add to this guidebook entry