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 Round Hill [North Pennines] showing contour plot for surrounding peak
ENG
Icon of location pin
686m
Icon of vertical, double ended, arrow to symbolise height of mountain

Round Hill [North Pennines]

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

0
Ascents

Thumbnail image for Pen yr Allt Uchaf showing contour plot for surrounding peak
WLS
Icon of location pin
630m
Icon of vertical, double ended, arrow to symbolise height of mountain

Pen yr Allt Uchaf

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

0
Ascents

Thumbnail image for Glyder Fach showing contour plot for surrounding peak
WLS
Icon of location pin
994m
Icon of vertical, double ended, arrow to symbolise height of mountain

Glyder Fach

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

0
Ascents

Thumbnail image for Foel Cwm-Sian Llwyd (Foel Cwm Sian Llwyd) showing contour plot for surrounding peak
WLS
Icon of location pin
648m
Icon of vertical, double ended, arrow to symbolise height of mountain

Foel Cwm-Sian Llwyd (Foel Cwm Sian Llwyd)

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

0
Ascents

Thumbnail image for Little Gowder Crag showing contour plot for surrounding peak
ENG
Icon of location pin
733m
Icon of vertical, double ended, arrow to symbolise height of mountain

Little Gowder Crag

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

0
Ascents

Thumbnail image for Simon Fell showing contour plot for surrounding peak
ENG
Icon of location pin
649m
Icon of vertical, double ended, arrow to symbolise height of mountain

Simon Fell

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

0
Ascents