From Ikorodu Garage, take a 'Danfo' (yellow commercial bus) or BRT bus heading towards Ojota. This is your first leg to reach a major interstate park.

At Ojota, look for major transport companies or local 'Sienna' charter operators heading to Ikire, Gbongan, or Osogbo. Ikire or Gbongan are closer to Olusosun. Reliable companies include GIGM (though they might go to major cities like Osogbo), local Sienna charters, or smaller bus lines. Confirm the destination and vehicle type (Sienna for faster, shared-taxi style; Hiace bus for more passengers).

The journey will take you through the Lagos-Ibadan Expressway, then connecting towards Ikire/Gbongan. Expect a stop around Ore or some other designated rest stop for refreshments and stretching. The road is generally good but can have sections with potholes or ongoing construction.

Upon arrival at the park in Ikire or Gbongan, you will need to take a local 'Keke Napep' (tricycle) or 'Okada' (motorcycle taxi) to Olusosun. Confirm the exact location of Olusosun as there might be similar names.