Opening hours of National park in Sleaford, South Australia Opening hours of National park in Sleaford, South Australia Home / South Australia / Sleaford / National park National park Lincoln National Park Donington Road, Sleaford SA 5607, Sleaford, South Australia 5607 (08) 8688 3111 Categories of local businesses in Sleaford Establishment Lodging Monument maker National park Park Shopping & Services