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 Bryngwyn [Llandudno to Wrexham] showing contour plot for surrounding peak
WLS
Icon of location pin
336m
Icon of vertical, double ended, arrow to symbolise height of mountain

Bryngwyn [Llandudno to Wrexham]

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

0
Ascents

Thumbnail image for Cnapyn Melyn (Pen Rhiwbie) showing contour plot for surrounding peak
WLS
Icon of location pin
405m
Icon of vertical, double ended, arrow to symbolise height of mountain

Cnapyn Melyn (Pen Rhiwbie)

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

0
Ascents

Thumbnail image for Carnedd Dafydd showing contour plot for surrounding peak
WLS
Icon of location pin
1044m
Icon of vertical, double ended, arrow to symbolise height of mountain

Carnedd Dafydd

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

0
Ascents

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

Dolforwyn Castle

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

0
Ascents

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

Pen Pant-y-gogledd

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

0
Ascents

Thumbnail image for Pen y Garn [Dolgellau to Machynlleth] showing contour plot for surrounding peak
WLS
Icon of location pin
460m
Icon of vertical, double ended, arrow to symbolise height of mountain

Pen y Garn [Dolgellau to Machynlleth]

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

0
Ascents