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 Pen Gwern-llyn-fawr showing contour plot for surrounding peak
WLS
Icon of location pin
167m
Icon of vertical, double ended, arrow to symbolise height of mountain

Pen Gwern-llyn-fawr

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

0
Ascents

Thumbnail image for Craig Portas East Top (Mynydd Gartheiniog) showing contour plot for surrounding peak
WLS
Icon of location pin
587m
Icon of vertical, double ended, arrow to symbolise height of mountain

Craig Portas East Top (Mynydd Gartheiniog)

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

0
Ascents

Thumbnail image for Carn Gelli [South-West Wales] [SM982375] showing contour plot for surrounding peak
WLS
Icon of location pin
144m
Icon of vertical, double ended, arrow to symbolise height of mountain

Carn Gelli [South-West Wales] [SM982375]

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

0
Ascents

Thumbnail image for Moel Maelogen showing contour plot for surrounding peak
WLS
Icon of location pin
424m
Icon of vertical, double ended, arrow to symbolise height of mountain

Moel Maelogen

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

0
Ascents

Thumbnail image for Pen Ystrad-fawr showing contour plot for surrounding peak
WLS
Icon of location pin
93m
Icon of vertical, double ended, arrow to symbolise height of mountain

Pen Ystrad-fawr

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

0
Ascents

Thumbnail image for Tir garw showing contour plot for surrounding peak
WLS
Icon of location pin
316m
Icon of vertical, double ended, arrow to symbolise height of mountain

Tir garw

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

0
Ascents