Trincomalee travel guide

East-coast beaches, Koneswaram and summer snorkelling. Most people stay 2–4 nights. Best months: May, Jun, Jul, Aug, Sep.

Highlights

Koneswaram Temple & Fort Frederick · 2 h · free. Clifftop Shiva temple reached through Fort Frederick; in tradition Ravana worshipped here. Shoes off, shoulders covered.
Pigeon Island snorkelling · 4 h · about ₹3,000 per person. Boats from Nilaveli; go early May–Sep for clear water. Blacktip reef sharks and turtles are common; don't stand on coral.
Nilaveli beach · 3 h · free
Whale and dolphin watching (May–Sep) · 4 h · about ₹5,000 per person. Sightings are less predictable than Mirissa's winter season; boats run only in calm weather.
Kanniya hot wells · 1 h · about ₹150 per person. Seven small wells at different temperatures, linked to Ravana in local tradition; 20 min from town.
Marble Beach · 3 h · about ₹200 per person. Run by the Air Force with a small entry fee; calm, clear water in season.
Scuba try-dive at Uppuveli / Nilaveli · 3 h · about ₹7,000 per person
Trincomalee War Cemetery · 1 h · free

Uppuveli guesthouses (budget, ₹2,200–₹4,000 a night): Beach on the doorstep, 10 min to town and Koneswaram.
Nilaveli beach (mid, ₹5,500–₹10,000 a night): Long quiet beach opposite Pigeon Island.
Nilaveli and Marble Beach resorts (premium, ₹12,000–₹25,000 a night): Full-service beach resorts for the May–Sep season.

East coast summer: Sigiriya and Trincomalee · 8 days, Negombo → Sigiriya & Dambulla → Trincomalee · from ₹52,075 per person, base estimate before flights. The mid-year option (May–September): the Cultural Triangle, then four calm-sea nights on the east coast while the south-west monsoon hits the other side.
Summer loop: Cultural Triangle, Trincomalee and the hills · 11 days, Negombo → Sigiriya & Dambulla → Trincomalee → Kandy → Nuwara Eliya → Colombo · from ₹83,825 per person, base estimate before flights. Built for July–August school holidays: ancient sites, east-coast beaches in season, Kandy (time it for the Perahera) and tea country.