Not the Best View in Yosemite but Great Swimming 

This hike is an easy stroll. Don’t get overly excited that Mirror Lake is going to be a lake like you see in magazines, it’s more of a large pool in Tenaya Creek during the spring and summer months. What’s cool about this hike, though, is getting up close to the base of Half Dome and looking up at the monstrous granite masterpiece. You can also swim here in the warmer months if the river is calm. It isn’t a must-see on our list, but it’s one of the easier hikes in the valley, and it boasts a good swim spot that your family is bound to love.

If you're looking for something with a bit of a better view, we love the Yosemite Falls hike. Kids can usually do it and the view is always spectacular.