The hiking in Yosemite is world-class, and it is perfect in July, as most of the trails have opened and the weather is near-perfect. The park has over 800 miles of hiking trails, and many lead to waterfalls, alpine lakes or granite peaks. Trails vary in distance and difficulty, so there is something for all ages and levels of experience. Each area of the park is unique and has hikes ranging from easy to strenuous, so there is surely something to spark your interest. You can read about the best hiking trails in Yosemite, and NPS’ list of trails here.
Backpacking is spectacular in July, but does require a wilderness permit. With the weather being hot during the day and chilly at night, it is ideal for camping out among the granite and the stars. Read the best trails for backpacking to decide with trip is best for you.
Remember, when hiking in Yosemite, bring at least 3 liters of water. Also, stick to the trail; going off-trail can lead to erosion, as well as injury. And, if hiking to a waterfall, never swim in a pool above the falls.