The Sri Ranganathaswamy Temple is the largest functioning Hindu temple in the world. The temple complex spans over 150 acres and has 21 gopurams (tower gateways). The temple is dedicated to Lord Ranganatha and attracts thousands of visitors every day. Take a relaxed walk around the complex and marvel at the intricate carvings and sculptures. Don't miss the 1000-pillar hall with its ornate pillars and sculptures. The temple complex is open from 6:00 am to 9:00 pm.
Mukkombu is a scenic spot where the Kollidam River branches out from the Cauvery River. The river flows over a barrage, and you can enjoy a relaxing boat ride and soak in the beautiful surroundings. Mukkombu is a popular picnic spot for locals, and there are plenty of restaurants nearby where you can grab a bite to eat. The park is open from 9:00 am to 6:00 pm.
The Rockfort Temple is a famous landmark in Tiruchirappalli and is perched on top of a 83-metre-high rock. The temple is dedicated to Lord Ganesha and Lord Shiva, and you can climb up the rock to reach the temple. Along the way, you'll pass through a series of shrines and enjoy breathtaking views of the city. The temple is open from 6:00 am to 8:00 pm.
The Kallanai Dam, also known as the Grand Anicut, is an ancient dam built across the Cauvery River. The dam was built in the 2nd century AD and is one of the oldest water-diversion structures in the world. Take a stroll on the dam and enjoy panoramic views of the river. There's a small park nearby where you can sit and relax. The park is open from 10:00 am to 5:00 pm.
If you have more time, you can explore other temples in Tiruchirappalli like the Jambukeshwara Temple and the Thiruvanaikoil Temple. If you have less time, you can skip Mukkombu. Remember to wear comfortable shoes as there's a fair bit of walking involved at the temples. Also, bring a hat and sunscreen as it can get quite hot during the day.