Ariel drone view of mountainous landscape with rolling clouds flowing over peak

Journal your hikes and share your adventures.

Bag peaks across the UK & Ireland, track your progress and see updates from Donder's growing community of hikers.

Donder's profile view available to users after sign-up, shows example user with progress tracking, hiking journal and user leaderboard

Thumbnail image for Druim a' Ghoirtein Far West Top showing contour plot for surrounding peak
SCO
Icon of location pin
619m
Icon of vertical, double ended, arrow to symbolise height of mountain

Druim a' Ghoirtein Far West Top

Icon of mountain used to symbolise the number of ascents made by users

0
Ascents

Thumbnail image for Pen Lan-fawr [South-West Wales] [SN626222] showing contour plot for surrounding peak
WLS
Icon of location pin
95m
Icon of vertical, double ended, arrow to symbolise height of mountain

Pen Lan-fawr [South-West Wales] [SN626222]

Icon of mountain used to symbolise the number of ascents made by users

0
Ascents

Thumbnail image for Penygelli showing contour plot for surrounding peak
WLS
Icon of location pin
209m
Icon of vertical, double ended, arrow to symbolise height of mountain

Penygelli

Icon of mountain used to symbolise the number of ascents made by users

0
Ascents

Thumbnail image for Bryn Garreg-lwyd showing contour plot for surrounding peak
WLS
Icon of location pin
452m
Icon of vertical, double ended, arrow to symbolise height of mountain

Bryn Garreg-lwyd

Icon of mountain used to symbolise the number of ascents made by users

0
Ascents

Thumbnail image for An Socach [Loch Fyne to Bute and the Firth of Clyde] showing contour plot for surrounding peak
SCO
Icon of location pin
410m
Icon of vertical, double ended, arrow to symbolise height of mountain

An Socach [Loch Fyne to Bute and the Firth of Clyde]

Icon of mountain used to symbolise the number of ascents made by users

0
Ascents

Thumbnail image for Core Hill [Fraserburgh to the Dee Valley] showing contour plot for surrounding peak
SCO
Icon of location pin
245m
Icon of vertical, double ended, arrow to symbolise height of mountain

Core Hill [Fraserburgh to the Dee Valley]

Icon of mountain used to symbolise the number of ascents made by users

0
Ascents