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 Foel y Geifr [Bala to Welshpool] [SH937275] showing contour plot for surrounding peak
WLS
Icon of location pin
626m
Icon of vertical, double ended, arrow to symbolise height of mountain

Foel y Geifr [Bala to Welshpool] [SH937275]

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

0
Ascents

Thumbnail image for Crinkle Crags South Top (First Crinkle) showing contour plot for surrounding peak
ENG
Icon of location pin
834m
Icon of vertical, double ended, arrow to symbolise height of mountain

Crinkle Crags South Top (First Crinkle)

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

0
Ascents

Thumbnail image for Y Gyrn [Llandovery to Monmouth] showing contour plot for surrounding peak
WLS
Icon of location pin
619m
Icon of vertical, double ended, arrow to symbolise height of mountain

Y Gyrn [Llandovery to Monmouth]

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

0
Ascents

Thumbnail image for Thunacar Knott showing contour plot for surrounding peak
ENG
Icon of location pin
723m
Icon of vertical, double ended, arrow to symbolise height of mountain

Thunacar Knott

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

0
Ascents

Thumbnail image for Arenig Fawr South Top showing contour plot for surrounding peak
WLS
Icon of location pin
836m
Icon of vertical, double ended, arrow to symbolise height of mountain

Arenig Fawr South Top

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

0
Ascents

Thumbnail image for Crag Hill (Eel Crag) showing contour plot for surrounding peak
ENG
Icon of location pin
839m
Icon of vertical, double ended, arrow to symbolise height of mountain

Crag Hill (Eel Crag)

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

0
Ascents