In the morning after breakfast move to the park headquarters for pre trekking briefing by the park rangers and paper work, then go for search in the forest for the beautiful habituated golden monkeys for 1-5 hrs depending on where they are, you will watch so many other animals in the forest and bird species.
You have 1 hour to take pictures and interact with the golden monkeys before you leave them, return to your lodge for lunch and transfer back to Kigali. Tour around the city and see a few tourist attractions in Kigali like Genocide memorial, local markets, Kigali convention Centre before your taken to the airport for your flight back to your next destination.