Gorilla watching in Bwindi is done throughout the year but the peak season is the best time to visit gorillas in Bwindi Impenetrable National Park. The peak season falls in the dry months of December to February and between June and August. Gorilla Trekking in Bwindi Bwindi Impenetrable National Park is the most popular gorilla trekking destination in Uganda. Within the dense thicket, 18 families of Mountain Gorilla roam. Gorilla habituation experience is a new gorilla trekking experience in Rushaga Bwindi area.