Late winter and early spring are great times to visit Yosemite National Park, but be sure to read up on the rules regarding pets before you go. Hotels inside park boundaries don’t allow pets, but pet-friendly places to curl up (click on lodging type and use the pet-friendly filter) are abundant elsewhere in Mariposa County. In Yosemite Valley, the premier winter/spring waterfall hike leads to Lower Yosemite Fall, the most accessible of three stair-stepped cascades that comprise America’s tallest cataract at 2,425 feet in total height. Read more.