Snyay-fels-yoh-kull
Here's a breakdown:
* Snyay: The "æ" is pronounced like the "a" in "cat."
* fels: The "f" is pronounced with a soft "v" sound, similar to "fell."
* yoh: The "ö" is pronounced like the "u" in "fur" or "curl."
* kull: This part is pronounced similarly to "cool."
Remember, the Icelandic language has a distinct phonetic system, so it's helpful to listen to native speakers to get the pronunciation right. You can find pronunciation guides online, as well as recordings of Icelandic speakers saying the word.