The 1,200-metre zip wire - the longest in England - has officially opened to the public, which is set to attract thrill seekers from across the country. The zip wire is now open at Honister Slate Mine in Cumbria, stretching from Honister Crag down to the visitor centre. It is the first major standalone visitor attraction at Honister since the launch of its award-winning Infinity Bridge. The Honister Slate Mine zip line. "This zip wire represents our commitment to investing in Honister, creating unforgettable experiences for our visitors, supporting the local economy and ensuring this incredible place continues to thrive for generations to come.