More than a thousand people are expected to march through Barnstaple in protest at proposed cuts to hospital services across the entire county.
What began as a local campaign to try to stop maternity, stroke, and A and E services from shutting, has now been widened to the whole of Devon.
I've been talking to one family who are shocked at the proposals and say without the hospitals, their children may not have survived.
Dante is as bright and energetic as any young boy should be but he came desperately close to dying from Sepsis.
With the air ambulance already in use and his family stuck at Hartland Quay an emergency journey by road to the children's ward in Barnstaple was the only option for his survival.
Mum Chiara is now horrified that draft NHS proposals have suggested closing paediatrics including special care in North Devon.
It's not the first time the family say they've been thankful for a specialist children's unit in Barnstaple.
Scarlett was born three months premature, only slightly bigger than a £20 note.
Small scale protests have taken place so far including outside of the NHS Success Regime where the reorganisation of the NHS across the whole of Devon are being drafted.
A leaked copy of the Strategic Transformation Plan proposing large cuts to North Devon District Hospital, the closure of 600 hospital beds and centralising services in Plymouth and Exeter will see a mass protest in Barnstaple.
Ian Williams, Campaign Organiser, Save our Hospital Services
Protestors will be drawn from across the county and further protests are planned in South Devon where community hospitals including Paignton are threatened with closure.
And the loss of 600 beds includes hospitals in East Devon such as Seaton and Okehampton where further protests are also planned.
The NHS says all of these proposals are just that proposals and people are and will be consulted before decisions are taken.