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 Tawnyanruddia (Slieve Carr South West Top) showing contour plot for surrounding peak
IRE
Icon of location pin
531m
Icon of vertical, double ended, arrow to symbolise height of mountain

Tawnyanruddia (Slieve Carr South West Top)

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

0
Ascents

Thumbnail image for The Priest's Leap (Leim an tSagairt) showing contour plot for surrounding peak
IRE
Icon of location pin
519m
Icon of vertical, double ended, arrow to symbolise height of mountain

The Priest's Leap (Leim an tSagairt)

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

0
Ascents

Thumbnail image for Ballyroon Mountain showing contour plot for surrounding peak
IRE
Icon of location pin
239m
Icon of vertical, double ended, arrow to symbolise height of mountain

Ballyroon Mountain

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

0
Ascents

Thumbnail image for Ballinacor Mountain (Sliabh Bhaile na Corra) showing contour plot for surrounding peak
IRE
Icon of location pin
529m
Icon of vertical, double ended, arrow to symbolise height of mountain

Ballinacor Mountain (Sliabh Bhaile na Corra)

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

0
Ascents

Thumbnail image for Oughtmore (Ucht Mor) [Sperrin Mountains] [H724837] showing contour plot for surrounding peak
IRE
Icon of location pin
382m
Icon of vertical, double ended, arrow to symbolise height of mountain

Oughtmore (Ucht Mor) [Sperrin Mountains] [H724837]

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

0
Ascents

Thumbnail image for Croaghgorm (Bluestack) (An Chruach Ghorm) showing contour plot for surrounding peak
IRE
Icon of location pin
674m
Icon of vertical, double ended, arrow to symbolise height of mountain

Croaghgorm (Bluestack) (An Chruach Ghorm)

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

0
Ascents