i've always heard it said as PED-er-NAL-iss

other honorable mentions: puyallup, washington (PYOO-al-ip) koenig ln, austin, tx (KAY-nig) - though admittedly this one is likely originally german König, and what texan is going to pronounce German words like Germans? aqui bleiben wir with Stolz, y'all

I've heard it that way too, but the pronunciation I posted is "canonical", or at least copy-pasted from Wikipedia.