Easy hike, great for beginners and for those new to Mount Rainier trails. It's about 2.5 miles from the parking lot to the lookout, but the elevation is very reasonable so it only took me an hour each way. Honestly, if you have a kid that's over the age of 10, they can totally handle it. The variety of scenery and the viewpoint makes this a stunning trail, especially if you go at sunrise or sunset. There's lots of marmots and goats to be seen, a great look at the mountaintop, a glacier lake, and awesome views of the valley and surrounding area. Be aware that it gets very windy and cold at the top, and on overcast days you will probably be hiking through some clouds!! It's also a good idea to bring a flashlight or headlamp if you're going near dawn/dusk.