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 Pen Ty-coch showing contour plot for surrounding peak
WLS
Icon of location pin
66m
Icon of vertical, double ended, arrow to symbolise height of mountain

Pen Ty-coch

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

0
Ascents

Thumbnail image for Goed Gorllwyn showing contour plot for surrounding peak
WLS
Icon of location pin
239m
Icon of vertical, double ended, arrow to symbolise height of mountain

Goed Gorllwyn

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

0
Ascents

Thumbnail image for Pen yr Onnen showing contour plot for surrounding peak
WLS
Icon of location pin
465m
Icon of vertical, double ended, arrow to symbolise height of mountain

Pen yr Onnen

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

0
Ascents

Thumbnail image for Bryn Ocyn showing contour plot for surrounding peak
WLS
Icon of location pin
441m
Icon of vertical, double ended, arrow to symbolise height of mountain

Bryn Ocyn

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

0
Ascents

Thumbnail image for Arenig Fawr South Top showing contour plot for surrounding peak
WLS
Icon of location pin
836m
Icon of vertical, double ended, arrow to symbolise height of mountain

Arenig Fawr South Top

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

0
Ascents

Thumbnail image for Twyn Tyle showing contour plot for surrounding peak
WLS
Icon of location pin
269m
Icon of vertical, double ended, arrow to symbolise height of mountain

Twyn Tyle

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

0
Ascents