Sierra Nevada Explorer
TI Explorer complements most popular handheld GPS receivers, enabling the import and export of routes, waypoints and tracks.
Sierra Nevada Explorer contains 10 Trails Illustrated maps seamlessly stitched together, covering over 10,000 square miles of the most popular recreation sites in the Sierras. It combines our easy-to-use TOPO! software with our award winning Trails Illustrated maps, giving you the best tool for printing accurate trail maps at home.
Includes: Lake Tahoe Basin, Yosemite National Park, Sequoia/Kings Canyon National Park, Pacific Crest Trail, John Muir Trail, Rubicon Trail, Tahoe Rim Trail, and more.
Use the trail highlighter tool to calculate accurate distances, create elevation profiles, and even see a 3D fly-through of trails. Customize maps by adding symbols, notes, and photos.
From National Geographic:Thank you for your feedback. We regret the difficulty you experienced with this product. Our support team has advised that your Mac 10.7 system is supported and required a free upgrade, which we sent to you. This product is incompatible with your other computer's Mac 10.8 operating system, which is not supported as it was released after discontinuation of this product. We hope you are now enjoying the Sierra Nevada Explorer.