Storm Arwen

Sadly Kielder Forest was hit very badly during Storm Arwen. All visitors are being asked to stay away for their own safety. The site is closed. We will update in our news section and on social media channels when it is safe to return.

COVID-19 Update

Please read the latest information.

Kielder Iron Distance Triathlon


The Kielder Iron Distance Triathlon is a brand new event consisting of a 3.8km open water swim, 180km road cycle, followed by a 42km trail run. The event is open to individuals and relay teams.