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 Black Hill [Central Scotland from Dumbarton to Montrose] [NN966044] showing contour plot for surrounding peak
SCO
Icon of location pin
357m
Icon of vertical, double ended, arrow to symbolise height of mountain

Black Hill [Central Scotland from Dumbarton to Montrose] [NN966044]

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

0
Ascents

Thumbnail image for Sron Coire an Fhamhair West Top showing contour plot for surrounding peak
SCO
Icon of location pin
842m
Icon of vertical, double ended, arrow to symbolise height of mountain

Sron Coire an Fhamhair West Top

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

0
Ascents

Thumbnail image for Calf Lee showing contour plot for surrounding peak
ENG
Icon of location pin
289m
Icon of vertical, double ended, arrow to symbolise height of mountain

Calf Lee

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

0
Ascents

Thumbnail image for Meall an t-Seallaidh showing contour plot for surrounding peak
SCO
Icon of location pin
853m
Icon of vertical, double ended, arrow to symbolise height of mountain

Meall an t-Seallaidh

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

0
Ascents

Thumbnail image for Foel Lwyd [Dolgellau to Machynlleth] showing contour plot for surrounding peak
WLS
Icon of location pin
261m
Icon of vertical, double ended, arrow to symbolise height of mountain

Foel Lwyd [Dolgellau to Machynlleth]

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

0
Ascents

Thumbnail image for Sandown Park showing contour plot for surrounding peak
ENG
Icon of location pin
154m
Icon of vertical, double ended, arrow to symbolise height of mountain

Sandown Park

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

0
Ascents