A Line Across the Sky
- År: 2015
- Land: United States of America
- Sjanger: Adventure, Documentary
- Ettromsleilighet: Sender Films, Patagonia
- Nøkkelord: climbing, patagonia, argentina, mountaineering, alpinism
- Regissør: Peter Mortimer, Josh Lowell
- Cast: Tommy Caldwell, Alex Honnold