A sign in Truckee in winter. Cross-country skiing at the Tahoe-Donner Cross-Country ski area north of Lake Tahoe. The start of a cross-country ski race at the Tahoe-Donner Cross-Country ski area north of Lake Tahoe. Cross-country skiing at Tahoe-Donner north of Lake Tahoe. A view from Tahoe-Donner Cross-Country east to Sierra Nevada peaks north of Lake Tahoe, with skiers. A view from Tahoe-Donner Cross-Country east to Sierra Nevada peaks north of Lake Tahoe. A view up the Euer Valley at the Tahoe-Donner Cross-Country ski area north of Lake Tahoe.