Here’s a suggested 4D3N itinerary for a trip starting with a midday pick-up in Surabaya, visiting Bromo, Sewu Waterfall, Ijen, and ending at Bali Port:

Itinerary: Surabaya – Bromo – Sewu Waterfall – Ijen – Bali Port

Day 1: Arrival in Surabaya – Transfer to

– **Midday**: Arrive in Surabaya. Meet your guide for a pick-up at the airport or hotel.
– **Afternoon**: Depart for Bromo (about a 3-4 hour drive). Enjoy scenic views along the way.
– **Evening**: Check into a hotel near Bromo. Relax and prepare for an early start.

Day 2: Bromo Sunrise – Sewu Waterfall

– **Early Morning**: Depart around 3 AM for a sunrise tour at Mount Bromo. Take a jeep to Penanjakan viewpoint for spectacular views.
– **Morning**: After sunrise, visit the Bromo crater and explore the volcanic landscape.
– **Late Morning**: Return to the hotel for breakfast and check out.
– **Afternoon**: Travel to Sewu Waterfall (approximately 3 hours). Arrive and enjoy the stunning views of the waterfall.
– **Evening**: Check into a hotel near Sewu Waterfall. Relax for the evening.

Day 3: Sewu Waterfall – Ijen Crater

– **Morning**: After breakfast, explore more of Sewu Waterfall and surrounding nature.
– **Late Morning**: Depart for Ijen (approximately 5-6 hours). Check into accommodation near Ijen.
– **Evening**: Rest and prepare for the Ijen trek. Early dinner and get some sleep.

Day 4: Ijen Crater – Transfer to Bali Port

– **Early Morning**: Depart around midnight or 1 AM for a guided trek to Ijen Crater. Witness the famous blue flames and the beautiful crater lake.
– **Morning**: Hike back down and return to your accommodation for breakfast.
– **Late Morning**: Check out and travel to Ketapang Harbor (about 1.5 hours).
– **Afternoon**: Take the ferry from Ketapang to Bali. Arrive at Bali Port and conclude your trip.

Feel free to adjust any part of the itinerary or let me know if you need it formatted