DOG owners are being urged to sign up to the annual Chilterns Three Peaks Challenge.
The Iain Rennie Hospice at Home and Grove House Hospice, which merged earlier this year, hope that 2,000 walkers will bring their canine friends along to walk five, nine or 18 miles of the Chilterns Ridgeway.
It is hoped the good cause will beat the £100,000 raised last year.
If every walker raised £150 in sponsorship, the charity could fund one of its nursing teams, which cares for patients with life-limiting illnesses, around the clock for a whole year.
Fundraising events manager Ruth Barber said: “Last year almost 90 dogs took part and we’d like even more to get involved this year.
“We’ve had positive feedback from owners about the fun they and their dogs had walking the chalk.
“We’re hoping some dogs will be sponsored too.”
All participants will complete the five-mile route from Princes Risborough to Wendover, taking in the two peaks Whiteleaf Cross and Coombe Hill. There will be a barbecue at Wendover before the nine mile walkers will be taken by bus to Tring Station where they will walk to the third peak at Ivinghoe Beacon. The 18 mile walkers will continue on foot from Wendover to the beacon before being returned to their cars by bus.
Entry costs £15 for adults and £7.50 for children, which includes a T-shirt, transport on the day, a fundraising pack and medal.
To sign up go to www.c3peaks.com