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 Caerphilly Common showing contour plot for surrounding peak
WLS
Icon of location pin
271m
Icon of vertical, double ended, arrow to symbolise height of mountain

Caerphilly Common

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

0
Ascents

Thumbnail image for Wick Hill [Neath to Chepstow] showing contour plot for surrounding peak
WLS
Icon of location pin
103m
Icon of vertical, double ended, arrow to symbolise height of mountain

Wick Hill [Neath to Chepstow]

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

0
Ascents

Thumbnail image for Moel Ddu [South-West Wales] showing contour plot for surrounding peak
WLS
Icon of location pin
151m
Icon of vertical, double ended, arrow to symbolise height of mountain

Moel Ddu [South-West Wales]

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

0
Ascents

Thumbnail image for Corn Du showing contour plot for surrounding peak
WLS
Icon of location pin
872m
Icon of vertical, double ended, arrow to symbolise height of mountain

Corn Du

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

0
Ascents

Thumbnail image for Penmaen [Barmouth to Betws-y-Coed and Bala] [SH844266] showing contour plot for surrounding peak
WLS
Icon of location pin
397m
Icon of vertical, double ended, arrow to symbolise height of mountain

Penmaen [Barmouth to Betws-y-Coed and Bala] [SH844266]

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

0
Ascents

Thumbnail image for Bryn Mawr [Aberystwyth to Welshpool] [SN723906] showing contour plot for surrounding peak
WLS
Icon of location pin
489m
Icon of vertical, double ended, arrow to symbolise height of mountain

Bryn Mawr [Aberystwyth to Welshpool] [SN723906]

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

0
Ascents