Truckee River below Truckee Station, looking west, toward Donner Lake.

Emigrant Gap Ridge, 84 miles, Old Man Mountain, Red Mountain, Castle Peak in distance.

Emigrant Gap Ridge, 84 miles, Old Man Mountain, Red Mountain, Castle Peak in distance.

Donner Lake, Tunnels no. 7 and 8, from Summit Tunnel, eastern summit in distance.

Donner Lake, Tunnels no. 7 and 8, from Summit Tunnel, eastern summit in distance.

Castle Peak and Yuba River, from Summit Valley. 102 miles from Sacramento.

Green Valley and Giant's Gap, American River, 1,500 feet below railroad.