Melnsils (Livonian: Mustānum) is a small village in Roja Parish, Talsi Municipality in the Courland region of Latvia. It is one of twelve Livonian villages on the Līvõd rānda - the Livonian Coast.

Melnsils camping site is located right by the sea, just 10 km away from Kolka, near the Slītere National Park, the sea-cliffs, and fascinating walking paths in the woods. It is located about 1 km from the highway P131.

Melnsils camping site is ideal for recreational activities and organization of sports events for up to 300 persons.

The continental climate prevails in the area. The annual average temperature is 6 °C. The warmest month is August, when the average temperature is 17 °C, and the coldest is January, with -4 °C.

• Slītere National Park
• Livonian Coast
• Livonian people

• Melnsils campsite