Telluride Trail Map. MOUNTAIN FACTS. SKIABLE TERRAIN: 2,000+ acres (810+ hectares) LONGEST RUN: 4.6 miles (7.4 kilometers), Galloping Goose. TOTAL TRAILS: 149. TRAIL DIFFICULTY: 23% beginner, 36% intermediate, 41% advanced/expert TOTAL LIFTS: 19 Total: 2 high-speed gondolas, 8 high-speed quads, 1 triple,