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 Sgiath Chuil showing contour plot for surrounding peak
SCO
Icon of location pin
920m
Icon of vertical, double ended, arrow to symbolise height of mountain

Sgiath Chuil

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

0
Ascents

Thumbnail image for Llechwedd Tyn-y-maes showing contour plot for surrounding peak
WLS
Icon of location pin
452m
Icon of vertical, double ended, arrow to symbolise height of mountain

Llechwedd Tyn-y-maes

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

0
Ascents

Thumbnail image for Sugar Loaf [Llandovery to Monmouth] [SO272187] showing contour plot for surrounding peak
WLS
Icon of location pin
596m
Icon of vertical, double ended, arrow to symbolise height of mountain

Sugar Loaf [Llandovery to Monmouth] [SO272187]

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

0
Ascents

Thumbnail image for Pen Pumlumon Arwystli showing contour plot for surrounding peak
WLS
Icon of location pin
741m
Icon of vertical, double ended, arrow to symbolise height of mountain

Pen Pumlumon Arwystli

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

0
Ascents

Thumbnail image for Cnoc Mam Unndalain showing contour plot for surrounding peak
SCO
Icon of location pin
565m
Icon of vertical, double ended, arrow to symbolise height of mountain

Cnoc Mam Unndalain

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

0
Ascents

Thumbnail image for Beinn Ruadh [Tongue to Wick and Helmsdale] [NC844598] showing contour plot for surrounding peak
SCO
Icon of location pin
254m
Icon of vertical, double ended, arrow to symbolise height of mountain

Beinn Ruadh [Tongue to Wick and Helmsdale] [NC844598]

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

0
Ascents