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 Mynydd Troed-y-rhiw [Neath to Chepstow] [ST012928] showing contour plot for surrounding peak
WLS
Icon of location pin
328m
Icon of vertical, double ended, arrow to symbolise height of mountain

Mynydd Troed-y-rhiw [Neath to Chepstow] [ST012928]

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

0
Ascents

Thumbnail image for Hirfynydd East Top showing contour plot for surrounding peak
WLS
Icon of location pin
318m
Icon of vertical, double ended, arrow to symbolise height of mountain

Hirfynydd East Top

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

0
Ascents

Thumbnail image for Cnwc y Barcud showing contour plot for surrounding peak
WLS
Icon of location pin
177m
Icon of vertical, double ended, arrow to symbolise height of mountain

Cnwc y Barcud

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

0
Ascents

Thumbnail image for Craig-y-borion showing contour plot for surrounding peak
WLS
Icon of location pin
138m
Icon of vertical, double ended, arrow to symbolise height of mountain

Craig-y-borion

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

0
Ascents

Thumbnail image for Foel Fawr [Dolgellau to Machynlleth] showing contour plot for surrounding peak
WLS
Icon of location pin
348m
Icon of vertical, double ended, arrow to symbolise height of mountain

Foel Fawr [Dolgellau to Machynlleth]

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

0
Ascents

Thumbnail image for Penllyn Forest Top showing contour plot for surrounding peak
WLS
Icon of location pin
551m
Icon of vertical, double ended, arrow to symbolise height of mountain

Penllyn Forest Top

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

0
Ascents