ideas for longest uninterrupted decent in Yorkshire

Can anyone help me find the longest interesting off-road decent in Yorkshire? The longest I ride is 1.59miles long falling 647feet (thanks to bikehike.co.uk for working that one). That's Standedge near Mardsden in Huddersfield. Any takers for a bigger, longer decent? Where do you go?
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Orange Blood - Orange 5SE - Marin Rocky Ridge
Ellsworth Moment
Intense Socom
It's on the Ribblehead/Dent/Great Knoutberry Fell route.
Boardman CX Comp
Ellsworth Moment
Intense Socom
Boardman CX Comp