To get a list of topographical maps that cover a particular area, drag the orange map icon to your point of interest then click the "Find Maps" button. You will be able to download your map on the next page. The 2025 NCKMS Symposium's map database currently contains 273,140 maps. The catalog was last updated on Friday, November 28, 2025.
Bristlecone Convention Center
Great Basin NP
The official event schedule for the 2025 NCKMS has now been updated. Please check our schedule page or download a PDF to your mobile device.
Great Basin National Park Foundation passionately works to enhance, preserve, and interpret the starry night skies, wide-open scenery, cultural heritage, and diverse native ecosystems of Great Basin National Park.
The Foundation is the official non-profit partner of Great Basin National Park.
Great Basin National Park is home to Lexington Arch, one of the largest limestone arches in the western United States. This six-story arch was created by the forces of weather working slowly over the span of centuries. This type of above ground limestone arch is rare.