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 Ynys Cantwr showing contour plot for surrounding peak
WLS
Icon of location pin
54m
Icon of vertical, double ended, arrow to symbolise height of mountain

Ynys Cantwr

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

0
Ascents

Thumbnail image for Bryniau [Llandudno to Wrexham] [SH798746] showing contour plot for surrounding peak
WLS
Icon of location pin
91m
Icon of vertical, double ended, arrow to symbolise height of mountain

Bryniau [Llandudno to Wrexham] [SH798746]

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

0
Ascents

Thumbnail image for Park Wood Hill [Neath to Chepstow] showing contour plot for surrounding peak
WLS
Icon of location pin
117m
Icon of vertical, double ended, arrow to symbolise height of mountain

Park Wood Hill [Neath to Chepstow]

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

0
Ascents

Thumbnail image for Brynglas [South-West Wales] showing contour plot for surrounding peak
WLS
Icon of location pin
268m
Icon of vertical, double ended, arrow to symbolise height of mountain

Brynglas [South-West Wales]

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

0
Ascents

Thumbnail image for Warren Hill [Welshpool to Hay-on-Wye] showing contour plot for surrounding peak
WLS
Icon of location pin
507m
Icon of vertical, double ended, arrow to symbolise height of mountain

Warren Hill [Welshpool to Hay-on-Wye]

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

0
Ascents

Thumbnail image for Pen Rhydyfallen-isaf showing contour plot for surrounding peak
WLS
Icon of location pin
231m
Icon of vertical, double ended, arrow to symbolise height of mountain

Pen Rhydyfallen-isaf

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

0
Ascents