Highlights
- Betrayaswamy Temple (Sri Beteraya Swamy) — This roughly thousand-year-old Vishnu temple in Denkanikottai town is built in the Hoysala architectural style and is counted among the traditional Divya Desam-associated shrines of the region. The presiding deity is worshipped as Devaperumal (Betraya Swamy) with his consort Lakshmi as Soundaryavalli. Its grand annual car (ther) festival in March-April is the town's biggest religious event, drawing devotees from across Denkanikottai taluk. The carved stonework reflects the temple's long medieval heritage.
- Aiyur Eco Tourism Park (Aiyur Reserve Forest) — Situated inside the Aiyur reserve forest about 20 km from Denkanikottai at around 1,060 metres elevation, this Tamil Nadu Forest Department eco-park offers a forested Western Ghats setting in the north of the Melagiri hills. Facilities include bamboo cottages, heritage and modern cottages, dormitories, and both a conventional and a tree-top watch tower for wildlife and landscape viewing. It is a base for eco-tourism, birdwatching and forest treks, and the surrounding shola forest is home to native allal and naki trees. Stays are booked through the Forest Department's eco-tourism system.
- Venugopala Swamy Temple — A revered Vishnu temple in Denkanikottai town, known for its fine carvings and serene setting, dedicated to Krishna as Venugopala Swamy. It is noted for its annual car festival, traditionally held in May, which draws devotees from the surrounding taluk. Along with the nearby Betrayaswamy temple, it anchors Denkanikottai's temple heritage. The shrine reflects the town's long tradition of Vaishnavite worship.
- Cauvery North Wildlife Sanctuary (Krishnagiri sector) — Declared in 2014, this large sanctuary spreads across the Melagiri hill ranges in Dharmapuri and Krishnagiri districts, with its Krishnagiri portion falling in the Denkanikottai taluk under the Hosur forest division. It protects elephants, leopards, spotted deer and rich birdlife along the rugged Cauvery-basin terrain. The sanctuary forms part of an important elephant corridor linking Tamil Nadu and Karnataka forests. Access is regulated by the Forest Department to safeguard the wildlife.
- Denkanikottai Dargah — A revered Muslim shrine (dargah) in Denkanikottai town that serves as an important place of worship for the local Islamic community and attracts devotees across faiths during its annual urs. It reflects the composite religious fabric of the Denkanikottai region alongside its temples. The shrine is one of the recognised holy places listed for the district. Its urs festival is a notable local gathering.
