Marilyn · perthshire
Dun Coillich
The name means 'fort hill' in Gaelic. Standing at 572m in Glen Lyon, Scotland's longest enclosed glen, this Marilyn offers a satisfying half-day walk to a genuine summit. The prominence ensures views that justify the effort.
Quick facts
- Height
- 572m/ 1876ft
- Difficulty
- 2 / 5Moderate
- Grid ref
- NN 76251 53639
Download GPX route file
Standard route
Standard route
A steady ascent past farmsteads and over the open Perthshire hillside to the 572m summit. The walking is straightforward with clear views opening up as you gain height. Allow 2-4 hours.
Terrain
Typical Highland Perthshire terrain — birch woodland below, heather and grass above. Some wet ground crossing burns.
In winter
Snow is intermittent in Highland Perthshire — the hills see winter conditions but are rarely arctic. An excellent area for building winter walking experience.
Best time of year
Getting there
- Glasgow2h 9m
- Edinburgh3h 49m
OS maps: OS Landranger 42, OS Landranger 51, OS Landranger 52, OS Explorer 049W, OS Explorer 386W
Current conditions
Daylight Today
- Sunrise
- 05:28
- Sunset
- 20:59
- Civil dawn
- 04:42
- Civil dusk
- 21:45
NOAA Solar Calculator · 2 May 2026