Scotland · Cairngorms National Park

An Dun

CorbettMarilynHuMPSimm

3 classifications here — Marilyn, HuMP and Simm — belong to lists OpenFell holds only part of, so they have no list page. See how far the coverage goes.

Height
827.4 m · 2,715 ft
Grid reference
NN 71652 80133
Coordinates
56.89480, -4.10863
County / area
Highland/Perth and Kinross
OS Landranger
42
OS Explorer
OL51W 394W
Summit feature
tiny cairn
Key col
NN710803 (595 m)

Access rights here

Yes Right to roam: Statutory right of responsible access to most land and inland water.

Yes Wild camping: Wild camping is broadly lawful under the 2003 Act.

General position for Scotland — local byelaws, seasonal restrictions and closures can override it. Full details: access rights in Scotland · check another location.

Daylight at this summit today

Sunrise
Sunset
Daylight
Civil twilight ends

Computed astronomically for 56.895, -4.109. Plan your finish with the daylight safety planner.

Summit weather live

Loading forecast for the summit (827 m)…

Forecast adjusted to summit altitude. Weather data from MET Norway (CC BY 4.0).

Finding the summit

Surveyor's note

29m NNW of main cairn and 0.38m higher; same height as hill 399 to within 0.03m.

The recorded summit point is tiny cairn. That distinction matters on broad or flat tops, where the obvious cairn is not always the true high point.

Survey method
Leica NA730/Leica RX1250
Record revised
04-Feb-17
Drop measured from
NN710803 · 595 m

Classification history: See Database Notes..

Survey notes are field observations recorded in the Database of British & Irish Hills (v18.3, CC BY 4.0) by the hill-surveying community.

Nearest listed peaks

PeakHeightDistance
A' Chaoirnich 875.7 m 2 km
Carn na Caim 940.8 m 4.4 km
Glas Mheall Mor 928 m 4.8 km
Carn na Caim South Top 914.6 m 5.3 km
A' Bhuidheanach Bheag 936 m 6.1 km
Meall Chuaich 950.8 m 7.7 km