Yosemite National Park was first opened in August 1916 and is celebrating 100 years anniversary this year! Congratulations! Yosemite is one of the most beloved parks in the US and certainly a must visit if you're in the Northern California area. There are many options for outdoor activities all year round. In the summer months you can enjoy water activities like boating, rafting and seeing the wildflower bloom. If you visit in the spring / winter month the waterfalls will be in high flow and it's less crowded. However, no matter what season you visit there are endless opportunities for, hiking, scenic drives and photography.