You need a visa for Senegal if you have an Australian passport
Visa options for Senegal
Visa on arrival for a maximum of 90 days
Travellers need a visa to visit Senegal for Business or Tourism. Travellers can get a visa on arrival in Senegal at the port of entry, such as an international airport or border crossing. Travellers can get a visa on arrival in Senegal at Dakar Airport only.