Nyungwe Forest National Park preserves one of Africa's oldest montane rainforests in southern Rwanda, a cathedral of towering trees, orchids, and endemic birds that reward patient observers with flashes of color through deep green gloom. Chimpanzee tracking departs at dawn along muddy trails where whoops echo through the canopy; habituated groups offer thrilling if fast moving encounters that demand sturdy boots and realistic pacing expectations. The canopy walkway suspended above the forest floor delivers vertigo and spectacular birding for those who prefer steadier footing without sacrificing immersion in old growth habitat. Thirteen primate species include colobus troops that stream through branches in black and white waves visible from roadside pullouts on lucky mornings. Guided waterfall hikes reach cascades hidden in gorge, while tea plantations border the park entrance with tasting opportunities at cooperative factories. Access from Kigali takes several hours via Huye, rewarding multi day stays at park edge lodges rather than rushed day trips that shortchange the forest's scale. Rain is frequent year round; pack waterproof layers and protect camera gear in dry bags. Nyungwe complements Volcanoes gorilla treks with lush contrast and biodiversity that defines Rwanda as a complete primate and forest destination rather than a single day add on. Uwinka visitor center orients trekkers to trail difficulty ratings, while primate researchers occasionally present ongoing studies on chimp habituation progress during peak season. Book chimp permits separately from gorilla permits, and expect muddy knees on steep sections where handrails are rare along forest ridges.