Question: Which famous cross-Pennine pass runs between Manchester and Sheffield on the A57, crossing the river Alport on the way?
Sentence (from "River Alport"): Its source is on Bleaklow, from which it flows south through the Grains in the Water swamp, then over gritstone to Alport Bridge on the A57 Snake Pass route from Sheffield to Manchester, where it joins the River Ashop, which flows into the Ladybower Reservoir about 2.5 mi down the valley.
Relevant evidence: Yes