The likely schedule is as follows:
Day 1
- Arrival in Srinagar
- Overnight in hotel in Srinagar
Day 2
- Breakfast in hotel
- Transfer to the trailhead in Sumbal
- Hike to Sonmasti (3,500m asl)
- Lunch
- Dinner at campsite
- Overnight in tent at campsite
Day 3
- Breakfast at campsite
- Hike to Sundarsar (3,700m asl)
- Lunch
- Dinner at campsite
- Overnight in tent at campsite
Day 4
- Breakfast at campsite
- Hike to Marsar Lake via Tarsar Lake (3,700 m asl)
- Lunch
- Dinner at campsite
- Overnight in tent at campsite
Day 5
- Breakfast at campsite
- Hike to Nagberan (3,400m asl)
- Lunch
- Dinner at campsite
- Overnight in tent at campsite
Day 6
- Breakfast at campsite
- Hike to Harwan
- Lunch
- Transfer to Srinagar
- Dinner at hotel
- Overnight in hotel
Day 7
- Breakfast at hotel
- Airport transfer (if possible)