The Pioneer River flows through the heart of the Mackay Region in Queensland, described as one of the few "blue water" rivers in Queensland. It runs through sugar country west of Mackay, with its main tributary being Cattle Creek. The river passes through a number of towns and localities including Marian, Mirani, Mia Mia, Gargett, and Finch Hatton, making it accessible at multiple points along its length.

Access to the river is restricted in places due to freehold ownership, but several public access points exist. These include beside Edward Lloyd Park in Marian, where maintained access paths are available, including one approximately 50 metres from Melba House. In the valley, paddlers can also access the river at Pleystowe via a boat ramp, at Mirani at Platypus Beach next to the road bridge, at Mia Mia next to the road bridge, at Pinevale, at Gargett next to the road bridge, and at Neem Hall near Finch Hatton. In Mackay itself, a boat ramp is located on River Street on the Pioneer River, with a pontoon and parking available.

The Mirani section of the river is noted as particularly popular with platypus, and paddlers who move quietly and attentively are likely to encounter them. Platypus are also frequently observed near their burrows on the northern bank behind Melba House in Marian. The river also supports a wide variety of native and migratory bird species including ducks, swans, pelicans, and cormorants, as well as freshwater turtles. Anglers fish the river for sooty grunter and barramundi, both known for their fighting ability.

Facilities at the Marian access point include barbecue areas, public toilets, a carpark, picnic areas, and coach parking. Paddlers should be aware that tropical waters in the region can present hazards including crocodiles and marine stingers, particularly in the lower reaches closer to the coast. The Mackay region tourism authority advises visitors to be "croc wise" when near the water.

Canoeing and kayaking are explicitly listed among the activities the river supports. The river's character through the valley section is relatively gentle, passing through sugar cane country with opportunities for wildlife observation.