But the valley is still part of the park. Visitors can walk across the top of 100-year-old O’Shaughnessy Dam and hike along the edge of the reservoir via the 5-mile round-trip trail to Wapama Falls.

Water leaking into an aging and shuttered city hydro-electric generating facility at the O'Shaughnessy Dam, near the Columbus Zoo and Aquarium and other construction issues have put a city project ...

But, it is the O'Shaughnessy Dam at the far western edge of this lake that sets this valley apart from its more popular neighbor. Trump Unveils Black Sea Deal With Russia, Ukraine Surprising China ...

One if its signature features is Wapama Falls, a towering 1,400-foot year-round waterfall near the O'Shaughnessy Dam. To get an up-close view of the falls, you can take a 5-mile round-trip hiking ...

O’Shaughnessy Dam at Hetch Hetchy Reservoir in Yosemite National Park, where much of San Francisco’s water is held. National Park Service State regulators have ordered the city of San ...

This story has been updated with additional information and to properly reflect an attached video showed water flowing over the O'Shaughnessy Dam. The rain has slowed for much of central Ohio on ...