Great Coum
{{Use dmy dates|date=April 2022}}
{{short description|Hill in Cumbria, England}}
{{Infobox mountain
| name = Great Coum
| photo = Great Coum - geograph.org.uk - 205509.jpg
| photo_caption = Looking north along the boundary wall towards the rocky outcrop below the summit
| elevation_m = 687
| prominence_m = 221
| parent_peak = Whernside
| listing = Marilyn, Hewitt, Nuttall, HuMP, Simm,
| location = Westmorland and Furness, Cumbria, England
| range =
| grid_ref_UK = SD700835
| topo = OS Outdoor Leisure 2
| type =
| first_ascent =
| easiest_route =
| map = United Kingdom Yorkshire Dales
| coordinates = {{coord|54.2467|N|2.4607|W|type:mountain_scale:100000_region:GB|format=dms|display=inline,title}}
}}
Great Coum is a hill in the Yorkshire Dales,{{cite web |title=Great Coum |url=http://www.hill-bagging.co.uk/mountaindetails.php?rf=2784 |website=www.hill-bagging.co.uk |access-date=11 February 2021}}{{cite book |last1=Marsh |first1=Terry |title=Great Mountain Days in the Pennines: 50 classic hillwalking routes |publisher=Cicerone Press Limited |isbn=978-1-84965-891-1 |chapter-url=https://books.google.com/books?id=CiLen-r2t5QC&q=%22great+coum%22&pg=PT170 |access-date=11 February 2021 |language=en |chapter=Gragareth and Great Coum|date=22 March 2013 }} but is located in Westmorland and Furness, Cumbria. The highest point is in Dent parish, but the boundary with Casterton parish crosses the summit. Its neighbours include Crag Hill, Green Hill and Gragareth.
It can be ascended from Dent to the north or by a shorter route, of about {{convert|2+1/2|mi|km|0|abbr=off}} with {{convert|700|ft|m|abbr=off}} of ascent, from the minor road to White Shaw Moss (SD723821).
Great Coum is classified as a Marilyn, Hewitt, Nuttall, HuMP, Simm,
Buxton & Lewis, Bridge and Clem.