The Australian Red Cross mobile blood service will visit Cootamundra from Tuesday 28 - Friday 31 May.
The mobile unit in Fisher Park, Bourke Street will take donations from from 9am - 2.30pm.
There are still 70 appointments free, six on Tuesday, 14 Wednesday, 22 Thursday and 28 Friday.
Appointments can be made online at https://www.donateblood.com.au/ or by phone on 13 14 95.
One in 3 Australians will need blood, but only one in 30 donates.
Donated blood helps cancer patients, people with blood disorders, mothers-to-be and newborn babies, as well as trauma and surgical patients.