Marilyn · Arran
Sail Chalmadale
A 479m hill on the Isle of Arran — Scotland in miniature with at least 150m of prominence — enough to feel like a real summit rather than a shoulder. The modest height belies the quality of the walking.
Quick facts
- Height
- 479.7m/ 1573ft
- Difficulty
- 1 / 5Easy
- Grid ref
- NR 91434 40098
Download GPX route file
Standard route
Standard route
A steady ascent on well-maintained island paths with views across the Firth of Clyde to the 479m summit. The walking is straightforward with clear views opening up as you gain height. Allow 2-4 hours.
Terrain
Open hillside with a mix of heather, grass and rough ground. Paths are intermittent.
In winter
Winter brings variable conditions. Snow possible on the summit from December to February. The short days require an early start.
Best time of year
Getting there
- Glasgow3h 49m
- Edinburgh6h 34m
OS maps: OS Landranger 62, OS Landranger 69, OS Explorer 361N
Current conditions
Daylight Today
- Sunrise
- 05:37
- Sunset
- 20:59
- Civil dawn
- 04:53
- Civil dusk
- 21:44
NOAA Solar Calculator · 2 May 2026