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 Trawsnant [Bala to Welshpool] showing contour plot for surrounding peak
WLS
Icon of location pin
504m
Icon of vertical, double ended, arrow to symbolise height of mountain

Trawsnant [Bala to Welshpool]

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

0
Ascents

Thumbnail image for Mynydd Mawr [Bala to Welshpool] showing contour plot for surrounding peak
WLS
Icon of location pin
534m
Icon of vertical, double ended, arrow to symbolise height of mountain

Mynydd Mawr [Bala to Welshpool]

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

0
Ascents

Thumbnail image for Trehafren showing contour plot for surrounding peak
WLS
Icon of location pin
152m
Icon of vertical, double ended, arrow to symbolise height of mountain

Trehafren

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

0
Ascents

Thumbnail image for Bryn-eithin [Llandudno to Wrexham] showing contour plot for surrounding peak
WLS
Icon of location pin
206m
Icon of vertical, double ended, arrow to symbolise height of mountain

Bryn-eithin [Llandudno to Wrexham]

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

0
Ascents

Thumbnail image for Bryn yr Wyn showing contour plot for surrounding peak
WLS
Icon of location pin
500m
Icon of vertical, double ended, arrow to symbolise height of mountain

Bryn yr Wyn

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

0
Ascents

Thumbnail image for Carnllundain showing contour plot for surrounding peak
WLS
Icon of location pin
136m
Icon of vertical, double ended, arrow to symbolise height of mountain

Carnllundain

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

0
Ascents