The park protects the 'Selva de Yungas,' a forest type that acts as a vital watershed for the surrounding valley.
It is specifically recognized as an 'Área Natural Protegida' (Protected Natural Area) under local provincial legislation.
The park was named after Percy Hill, a former landowner who maintained the ecological integrity of the property before it became public land.
Due to the dense canopy, temperatures inside the park are consistently cooler than in the surrounding urban streets of Yerba Buena.
Percy Hill Park is a municipal nature reserve located in the foothills of the San Javier mountain range in Yerba Buena. It functions as a protected area for the Yungas, a humid mountain forest ecosystem characterized by high biodiversity. The site preserves remnants of the original piedmont forest that once covered the area before urban expansion. Visitors can explore a network of internal walking trails that transition through different vegetation layers. The park serves as an educational space for environmental awareness and local conservation efforts. It is home to diverse avian species and native flora typical of the Tucumán province. The terrain is largely unpaved and maintains a rustic, wild character compared to urban city parks. It is managed to prevent invasive species while protecting endemic wildlife habitats.
The elevated sections of the inner trail loop which provide glimpses through the canopy towards the city valley.
Wear long pants and high-quality insect repellent to protect against mosquitoes and ticks.
Carry a reusable water bottle as there are no hydration stations within the trail network.
Stay on marked paths to avoid disturbing delicate undergrowth and to prevent encountering snakes.
Do not attempt to hike during or immediately after heavy rainfall as the trails become extremely slippery and prone to mudslides.
The park may be temporarily inaccessible following severe storms for safety reasons.
Pack out all trash; no littering is permitted. Stay on established trails. Keep noise levels low to avoid disturbing local wildlife.