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 Iwerddon [Snowdonia] showing contour plot for surrounding peak
WLS
Icon of location pin
583m
Icon of vertical, double ended, arrow to symbolise height of mountain

Iwerddon [Snowdonia]

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

0
Ascents

Thumbnail image for Pen y Ddinas [South-West Wales] [SN628357] showing contour plot for surrounding peak
WLS
Icon of location pin
207m
Icon of vertical, double ended, arrow to symbolise height of mountain

Pen y Ddinas [South-West Wales] [SN628357]

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

0
Ascents

Thumbnail image for Brondre-fawr Hill showing contour plot for surrounding peak
WLS
Icon of location pin
508m
Icon of vertical, double ended, arrow to symbolise height of mountain

Brondre-fawr Hill

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

0
Ascents

Thumbnail image for Bailey Hill East Top showing contour plot for surrounding peak
WLS
Icon of location pin
408m
Icon of vertical, double ended, arrow to symbolise height of mountain

Bailey Hill East Top

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

0
Ascents

Thumbnail image for Mynydd Garthmyn showing contour plot for surrounding peak
WLS
Icon of location pin
251m
Icon of vertical, double ended, arrow to symbolise height of mountain

Mynydd Garthmyn

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

0
Ascents

Thumbnail image for Tre-wilmot showing contour plot for surrounding peak
WLS
Icon of location pin
77m
Icon of vertical, double ended, arrow to symbolise height of mountain

Tre-wilmot

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

0
Ascents