Thank you to the users below who posted about the road to the trailhead opening on June 30, 2017. This was my first time in the Mount Rainier National Park area and WOW!
Once you get onto Mowich Lake Rd, expect rough gravel and a lot of dust the whole 17 miles. Your speed/time will depend on your vehicle and driving style but we made it fine in a little mini cooper. The one lane bridge section over the river is very scenic. There are a couple of pull out scenic points and though it may seem long, keep going! You will know when you've made it.
The trailhead is clearly marked as you start out near Mowich Lake. The hike begins with gentle up and down for the first half mile or so until you reach the fork - stay left/lower for Eunice Lake and Tolmie Peak.
The next phase of the trek involves slight to moderately uphill switchbacks - but this isn't a boring hike. You are catching peekaboo views of gorgeous scenery, listening to the sounds of a waterfall, and eventually reaching the first significant snow patches and meltwater leading to Eunice Lake. Sunglasses are helpful here. It's melting quickly so step carefully, enjoy the view!
From the lake you can look up towards the fire lookout you are climbing towards. I saw a couple people inflate tubes and get in the lake. Again, a lot of mushy snow here so be careful.
After getting through the snow, you are on the final uphill stretch to the fire lookout where you are treated to a mindblowing view of Mt. Rainier with Eunice Lake in the foreground. It's simply unbelievable. The little lookout station has some history of the place including its namesake.
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