The number of days you should plan for a trip from Gorakhpur to Pashupatinath in Nepal can vary depending on your preferences and the activities you want to include. Here’s a suggested itinerary:

**Day 1: Travel to Sunauli**
– Start your journey from Gorakhpur to Sunauli, which is the border town in Nepal.
– Arrive in Sunauli, complete immigration and visa formalities.
– Continue your journey to Lumbini, which is a UNESCO World Heritage Site and the birthplace of Lord Buddha.
– Explore Lumbini and its historic sites.
– Overnight stay in Lumbini.

**Day 2: Lumbini to Kathmandu**
– After breakfast, start your journey to Kathmandu, the capital city of Nepal.
– Check-in to your accommodation in Kathmandu.
– Spend the evening exploring the vibrant streets of Kathmandu.
– Overnight stay in Kathmandu.

**Day 3: Visit Pashupatinath**
– Visit Pashupatinath Temple early in the morning to witness the rituals and ceremonies.
– Explore other attractions in Kathmandu like Boudhanath Stupa and Swayambhunath (Monkey Temple).
– Enjoy local cuisine at a Nepali restaurant.
– Overnight stay in Kathmandu.

**Day 4: Kathmandu Sightseeing**
– Explore more of Kathmandu’s cultural and historical sites, such as Durbar Square and Patan Durbar Square.
– Visit museums and art galleries if you’re interested in the history and culture of Nepal.
– Overnight stay in Kathmandu.

**Day 5: Return to Gorakhpur**
– Start your journey back to Gorakhpur, either by bus or train.
– Arrive in Gorakhpur, concluding your trip.