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 Slieve Gallion (Slaiabh gCallann) showing contour plot for surrounding peak
IRE
Icon of location pin
527m
Icon of vertical, double ended, arrow to symbolise height of mountain

Slieve Gallion (Slaiabh gCallann)

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

0
Ascents

Thumbnail image for Pen Lan-fawr [South-West Wales] [SN890749] showing contour plot for surrounding peak
WLS
Icon of location pin
526m
Icon of vertical, double ended, arrow to symbolise height of mountain

Pen Lan-fawr [South-West Wales] [SN890749]

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

0
Ascents

Thumbnail image for Ravens Knowe showing contour plot for surrounding peak
ENG
Icon of location pin
527m
Icon of vertical, double ended, arrow to symbolise height of mountain

Ravens Knowe

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

0
Ascents

Thumbnail image for Blorenge showing contour plot for surrounding peak
WLS
Icon of location pin
561m
Icon of vertical, double ended, arrow to symbolise height of mountain

Blorenge

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

0
Ascents

Thumbnail image for Creag Loisgte [Loch Rannoch to Glen Lyon] showing contour plot for surrounding peak
SCO
Icon of location pin
546m
Icon of vertical, double ended, arrow to symbolise height of mountain

Creag Loisgte [Loch Rannoch to Glen Lyon]

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

0
Ascents

Thumbnail image for Carn a' Coire Dhoimhneid showing contour plot for surrounding peak
SCO
Icon of location pin
598m
Icon of vertical, double ended, arrow to symbolise height of mountain

Carn a' Coire Dhoimhneid

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

0
Ascents