Yosemite National Park concentration of waterfalls in a small area. Numerous sheer drops, glacial steps and hanging valleys in the park provide many places for waterfalls to exist, especially during April, May, and June (the snowmelt season). Located in Yosemite Valley, the Yosemite Falls is the highest in North America at . Also in Yosemite Valley is the much lower volume Ribbon Falls, which has the highest single vertical drop, . Perhaps the most prominent of the Yosemite Valley waterfalls is Bridalveil Fall, which is the waterfall seen from the Tunnel View viewpoint at the east end of the Wawona Tunnel. Wapama Falls
Khun Nan National Park Khun Nan National Park Khun Nan National Park () is a protected area in the western side of the Luang Prabang Range in the Thai/Lao border area, on the Thai side of the ridge. It is named after Khun Nan subdistrict (tambon) of Chaloem Phra Kiat District of Nan Province and includes parts located in Bo Kluea District. The park is located north of the Doi Phu Kha National Park and was established in 2009. Khun Nan National Park is part of the Luang Prabang montane rain forests ecoregion. Sapan Waterfall, located near the Lao border, is the most important