Campaigners against plans to install massive pylons across North Somerset are taking part in a special walk today.

National Grid wants to run a 400,000 volt power line between Hinkley Point and Avonmouth which would see 150 foot high pylons installed along the 37 mile route...but they're still considering where to put them.

To asses the impact on Mendip Hills, conservation groups and campaigners are taking a walk up there today.