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The Black Diamond Trail follows the Lehigh Valley Railroad's old Ithaca line for about 9 miles between the Ithaca Children's Garden on Cayuga Lake and Taughannock Falls State Park near Trumansburg. The surface is smooth crushed gravel. Riding north from Ithaca is a steady, gentle climb of about 420 feet, with the steepest sustained grade near 1 percent, so the return ride is a long easy coast. Trees shade most of the corridor, and roughly a third of it runs below wooded valley walls. Trailheads at Kraft Road and the park's north lot break the route into shorter rides. At the north end, the state park's rim trails lead to the 215-foot Taughannock Falls.
Black Diamond Trail
Your comfort. Prognosticated.
-Cory

In a typical year the Black Diamond Trail has about 110 to 149 days of excellent weather for popular activities such as hiking, dog walking, e-biking, biking, birding, running, and walking, with May, September, and October the best months.
Hourly comfort scores for the next 15 days of weather, tuned to your activity and your own thresholds.
Plan your visit to this trail. Get the best windows for a comfortable outing.
Enjoy the Black Diamond Trail!

In half of past years, color along the Black Diamond Trail peaks October 20 to November 1, typically around October 25. The trail has 25% deciduous coverage, with the majority being sugar maple, white ash, red maple, green ash, American basswood, and black cherry.
The corridor carried the Lehigh Valley Railroad, whose flagship passenger train, the Black Diamond Express, ran from New York City to Buffalo from its first trip in 1896 until 1959. The Lehigh Valley picked the name from more than 35,000 contest entries, honoring the anthracite coal the line was built to haul; the winning entry came from Charles Montgomery, a hotel clerk in Toledo, Ohio. Promoted as 'The Handsomest Train in the World,' the 315-foot train served Ithaca on a secondary line rather than the double-track main line to the west, and newlyweds bound for Niagara Falls earned it the nickname 'Honeymoon Express.' After the last run in May 1959 the line was abandoned, and over the following decades Taughannock Falls State Park acquired the roadbed and rebuilt it as this trail.
Cayuga Waterfront TrailTaughannock Falls State Park rim trails
plus interpretive signage along the trail