- World-Renowned Elephant Gathering – This park hosts one of the largest Asian elephant gatherings globally (often called “The Gathering”), where hundreds (up to 300–700 in peak dry season) of elephants congregate around the Minneriya Tank.
- Dry Season Feeding Ground – Minneriya serves as a crucial dry season feeding area for a large elephant population migrating from the forests of nearby districts.
- Historically Significant Reservoir – The park’s central feature, the Minneriya Tank, is a historically important reservoir built in the third century AD by King Mahasen, sustaining both wildlife and the surrounding ecosystem.
- Important Bird Area (IBA) – Along with Kaudulla and Girithale, Minneriya forms one of Sri Lanka’s 70 Important Bird Areas, boasting a rich avian diversity of over 170 species.
- Diverse Habitat Mosaic – The park encompasses a variety of habitats, including low-canopy montane forests, grasslands, scrublands, and wetlands, supporting a wide array of flora and fauna beyond elephants.
