Union Falls Trail is a 15.6 mile heavily trafficked out and back trail located near Yellowstone National Park, WY that features a waterfall and is rated as difficult. The trail offers a number of activity options and is accessible from May until September. Horses are also able to use this trail.
Union Falls is the second highest waterfall in Yellowstone, towering above at 260 feet. The falls is very unique in shape and serves those bringing cameras very well. Union Falls is located in the southwest section of Yellowstone. Formed as two creeks come together and fall over 250 feet. Union Falls is very impressive and worth the hike to get to.
Just an FYI... the road to this trailhead is now closed for the season :)
This hike is awesome! We did it in early September and the water was low and there were NO bugs. Going to scout pool is a must. It took us about 3 hours each way. Definitely worth the hike
beautiful falls but not much to look at til you get there
Lots of creek crossings! Great hike!!!
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Long hike (16.5 miles) from cascade creek (include the side trip to the pool) but very rewarding. Gorgeous views of the unions fall and a delightful hydrotherapy session in Ouzel pool (the water is lukewarm, not cold, thanks to a nearby hot spring).
Completed this trail in early June. The length of the hike was not nearly as challenging as fording the river, which was running high and fast. There was still snow on quite a bit of the trail, and the mosquitoes were certainly present. However, the falls were incredible and definitely worth the work it took to get there. If you go in early June, skip the side trip to Scout Pool. There was still too much runoff to allow the pool to heat up to comfortable temperatures... unless you like a cold bath. :) Very much looking forward to hiking this on again later in the year.
This is a beautiful, though difficult, hike. The waterfall is worth the trip alone but the pools are basically heaven on earth. The pool is just like the firehole river without the crowds.
First a note: this place is at least an hour from Moose, unlike the description says. It is just inside the southern boundary of Yellowstone, west of Flagg Ranch, near Grassy Lake. Make sure you have good directions, the appropriate topo maps, and the skills to use them before you do any backcountry hiking in Yellowstone. We hiked from the Reservoir, crossed the river, did the long easy climb and steep descent down aptly named Cardiac Ridge. Look for ruts in the rocks carved by the wheels of pioneer wagons. This route passes through nice lodgepole forest, includes one serious river crossing that may not be passable early in the summer and another stream crossing. There is just the one major climb and descent--easy on the way in and a butt-kicker on the way out. The payoff is arguably the most spectacular backcountry waterfall in North America--a bridal veil fall that is taller than Niagara. We have never seen other people at the falls--though we did catch a weird glimpse of a naked couple skipping through the meadow a few hundred yards from our campsite. Literally skipping, hand in hand. Look for the hot spring-fed creek just north of the canyon. It's a great swimming hole.
we have rode horses in there many times great easy ride 19 miles round trip worth every step! boy scouts in there wednesdays and thursdays be prepared for a crowd those days. people from all over the world you will meet! Pack bear spray. horses need valid coggins testing and no dogs allowed cause your on jellystone national park! we get there from the ashton flagg ranch road!
Just hiked from fish lake trail head to union falls and back. Made for a long day but Great hike. The warm spring fed scout pool was worth it and the falls were breath taking too. Could have done without all the bugs. Horseflies the size of small children.
A long but rewarding trail. Union falls is spectacular. Don't miss a swim in the hot springs slightly off the trail near the falls
Union Falls is stunning! The hike is pretty easy without much elevation gain and the trail is in great shape. Only 1 water crossing where getting wet is impossible to avoid but it's not difficult. We went in the fall and the changing colors were great!
Greatest Waterfall View EVER!!!!!