Marilyn · islands
Knap of Trowieglen
A 399m prominence hill in the Orkney Islands. Despite the modest height, the 150m prominence means this summit commands its surroundings with views that surprise first-time visitors.
Quick facts
- Height
- 399m/ 1309ft
- Difficulty
- 1 / 5Easy
- Grid ref
- ND 23973 98459
Download GPX route file
Standard route
Standard route
A short, accessible walk on island paths with sea views in multiple directions to the 399m summit. The low altitude and gentle gradients make this achievable in 1-3 hours.
Terrain
Island terrain varying from machair grassland to rocky hillside. Sea salt exposure affects the vegetation. Wind is a constant companion.
In winter
Island winters are mild but stormy. Snow is rare at low levels. The main winter challenge is short daylight and frequent gales.
Best time of year
Getting there
- Glasgow8h 9m
- Edinburgh8h 33m
OS maps: OS Landranger 6, OS Landranger 7, OS Explorer 462
Current conditions
Daylight Today
- Sunrise
- 05:15
- Sunset
- 21:06
- Civil dawn
- 04:24
- Civil dusk
- 21:56
NOAA Solar Calculator · 2 May 2026