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 Sliabh an Iolair (Mount Eagle) showing contour plot for surrounding peak
IRE
Icon of location pin
516m
Icon of vertical, double ended, arrow to symbolise height of mountain

Sliabh an Iolair (Mount Eagle)

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

0
Ascents

Thumbnail image for Carn nan Tri-tighearnan showing contour plot for surrounding peak
SCO
Icon of location pin
615m
Icon of vertical, double ended, arrow to symbolise height of mountain

Carn nan Tri-tighearnan

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

0
Ascents

Thumbnail image for Collon Hill (Castletimon Hill) showing contour plot for surrounding peak
IRE
Icon of location pin
238m
Icon of vertical, double ended, arrow to symbolise height of mountain

Collon Hill (Castletimon Hill)

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

0
Ascents

Thumbnail image for Keadeen Mountain (Ceidin) showing contour plot for surrounding peak
IRE
Icon of location pin
653m
Icon of vertical, double ended, arrow to symbolise height of mountain

Keadeen Mountain (Ceidin)

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

0
Ascents

Thumbnail image for Carn Dearg [Glen Albyn and the Monadh Liath] [NH635023] showing contour plot for surrounding peak
SCO
Icon of location pin
946m
Icon of vertical, double ended, arrow to symbolise height of mountain

Carn Dearg [Glen Albyn and the Monadh Liath] [NH635023]

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

0
Ascents

Thumbnail image for Sgurr nan Gillean [Minginish and the Cuillin Hills] showing contour plot for surrounding peak
SCO
Icon of location pin
966m
Icon of vertical, double ended, arrow to symbolise height of mountain

Sgurr nan Gillean [Minginish and the Cuillin Hills]

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

0
Ascents