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 Sron na Saobhaidhe [Oban to Loch Fyne] showing contour plot for surrounding peak
SCO
Icon of location pin
316m
Icon of vertical, double ended, arrow to symbolise height of mountain

Sron na Saobhaidhe [Oban to Loch Fyne]

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

0
Ascents

Thumbnail image for Swarth Fell showing contour plot for surrounding peak
ENG
Icon of location pin
681m
Icon of vertical, double ended, arrow to symbolise height of mountain

Swarth Fell

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

0
Ascents

Thumbnail image for Ruabhal [St Kilda] showing contour plot for surrounding peak
SCO
Icon of location pin
130m
Icon of vertical, double ended, arrow to symbolise height of mountain

Ruabhal [St Kilda]

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

0
Ascents

Thumbnail image for Ynys-fach [Aberystwyth to Welshpool] showing contour plot for surrounding peak
WLS
Icon of location pin
44m
Icon of vertical, double ended, arrow to symbolise height of mountain

Ynys-fach [Aberystwyth to Welshpool]

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

0
Ascents

Thumbnail image for Sgianait showing contour plot for surrounding peak
SCO
Icon of location pin
425m
Icon of vertical, double ended, arrow to symbolise height of mountain

Sgianait

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

0
Ascents

Thumbnail image for Bryn Du (Y Fawnen) showing contour plot for surrounding peak
WLS
Icon of location pin
563m
Icon of vertical, double ended, arrow to symbolise height of mountain

Bryn Du (Y Fawnen)

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

0
Ascents