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 Corn-y-stwc (Craig Ddrwg North Top) showing contour plot for surrounding peak
WLS
Icon of location pin
594m
Icon of vertical, double ended, arrow to symbolise height of mountain

Corn-y-stwc (Craig Ddrwg North Top)

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

0
Ascents

Thumbnail image for Craig Fawr [South-West Wales] showing contour plot for surrounding peak
WLS
Icon of location pin
519m
Icon of vertical, double ended, arrow to symbolise height of mountain

Craig Fawr [South-West Wales]

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

0
Ascents

Thumbnail image for Llwytmor showing contour plot for surrounding peak
WLS
Icon of location pin
849m
Icon of vertical, double ended, arrow to symbolise height of mountain

Llwytmor

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

0
Ascents

Thumbnail image for Cefn Llwydallt showing contour plot for surrounding peak
WLS
Icon of location pin
378m
Icon of vertical, double ended, arrow to symbolise height of mountain

Cefn Llwydallt

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

0
Ascents

Thumbnail image for Castell Dinas showing contour plot for surrounding peak
WLS
Icon of location pin
450m
Icon of vertical, double ended, arrow to symbolise height of mountain

Castell Dinas

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

0
Ascents

Thumbnail image for Foel Drygarn showing contour plot for surrounding peak
WLS
Icon of location pin
365m
Icon of vertical, double ended, arrow to symbolise height of mountain

Foel Drygarn

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

0
Ascents