Sure, I'd be delighted to provide travel tips for your journey to Pokhara, Jomsom, and Muktinath in Nepal.

Best Time to Visit:
The best time to visit these towns is from March to June and from September to November, as the weather tends to be ideal for outdoor activities.

Route and Accessibility:
You can easily reach Pokhara by car, bus, or flight from Kathmandu. From Pokhara, Jomsom can be reached by a short flight or by bus/van via the mountainous highway. From Jomsom, you can take a jeep to Muktinath.

Accommodation and Booking:
There are numerous hotels and lodges in Pokhara for all budgets. Jomsom and Muktinath, being smaller and remote, have less varied accommodation, with local guest houses and lodges being the common options. It's recommended to book your accommodation in advance, particularly in peak season.

Clothing and Essentials:
Carry warm clothing, as temperatures can drop significantly at night. Also, pack high-SPF sunscreen, sunglasses, a good pair of hiking boots, and a reusable water bottle. Don't forget essential travel documents and a small first aid kit.

Health and Safety:
Make sure to have travel insurance covering high altitude sickness and emergency evacuation. Also, maintain hydration and take things slowly to avoid altitude sickness. Try to avoid street food to reduce the risk of digestive problems.

Local Etiquette and Respect:
Nepalese people value respect and courtesy. It's appreciated if you remove your shoes before entering houses or temples. Avoid touching religious statues, and remember, it's customary to negotiate prices in local markets.