Yosemite Links The Yosemite Conservancy: The great folks who bring us the cam images. Yosemite Nature Notes: Some great videos about Yosemite from the NPS. NPS : National Park Service Yosemite site. Yosemite Blog: The name says it all. Restore Hetch Hetchy: Yosemite’s Buried Treasure! Remove the reservoir. Southern Yosemite Mountain Guides: Yosemite adventure outfitter. Hiking Half Dome: Some tips and recommendations I put together.