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 Penddaulwyn showing contour plot for surrounding peak
WLS
Icon of location pin
96m
Icon of vertical, double ended, arrow to symbolise height of mountain

Penddaulwyn

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

0
Ascents

Thumbnail image for Mynydd Bach [Neath to Chepstow] showing contour plot for surrounding peak
WLS
Icon of location pin
319m
Icon of vertical, double ended, arrow to symbolise height of mountain

Mynydd Bach [Neath to Chepstow]

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

0
Ascents

Thumbnail image for Graig Ddu showing contour plot for surrounding peak
WLS
Icon of location pin
537m
Icon of vertical, double ended, arrow to symbolise height of mountain

Graig Ddu

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

0
Ascents

Thumbnail image for Medart showing contour plot for surrounding peak
WLS
Icon of location pin
384m
Icon of vertical, double ended, arrow to symbolise height of mountain

Medart

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

0
Ascents

Thumbnail image for Bryn Nant Cae-garw showing contour plot for surrounding peak
WLS
Icon of location pin
357m
Icon of vertical, double ended, arrow to symbolise height of mountain

Bryn Nant Cae-garw

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

0
Ascents

Thumbnail image for Cefn-wig showing contour plot for surrounding peak
WLS
Icon of location pin
174m
Icon of vertical, double ended, arrow to symbolise height of mountain

Cefn-wig

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

0
Ascents