National Geographic's Trails Illustrated map of Crystal Basin and Silver Fork covers the Eldorado National Forest, from its northern boundary with Tahoe National Forest to its southern boundary with Stanislaus National Forest. The map provides both unmatched detail and valuable information for outdoor enthusiasts exploring this part of California's Sierra Nevada. Expertly researched and created in partnership with the U.S. Forest Service and others, this map features key points of interest including Mokelumne and Desolation Wildernesses, Hell Hole and Union Valley Reservoirs, Silver Lake and Kirkwood Ski Area. An informative summary of each wilderness area, safety tips, including a special section on bear safety tips, recreation tips and agency contact information are included as well.

The area's many trails are clearly marked and color coded according to their designated usage, whether you're exploring on foot, horseback, bike, or motorized vehicle. Trail mileage between intersections along with contour lines and elevations will help you choose the path that's right for you. The Pony Express National Historic Trail that bisects the area is highlighted along with the California National Historic Trail, Pacific Crest Trail and Rubicon OHV Trail. Carson Pass Scenic Byways is noted for those wishing to take in the scenery by car. The area is full of water and land recreation areas all of which are highlighted on the map. Some of the many recreation features include: snowmobile trails, ski areas, sno-parks, fishing and boat access, campgrounds and RV camping, scenic viewpoints and wildlife viewing areas.

Every Trails Illustrated map is printed on "Backcountry Tough" waterproof, tear-resistant paper. A full UTM grid is printed on the map to aid with GPS navigation.

Other features found on this map include: Desolation Wilderness, Eldorado National Forest, Mokelumne Wilderness, Mosquito Ridge, Stanislaus National Forest, Tahoe National Forest, Union Valley Reservoir.

• Waterproof, tear-resistant, and topographic map.