We did these walks in July 2018.
Day 7, Hell’s Mouth to Llanbedrog, 15 mile walk, taxi from Llanbedrog to Hell’s Mouth. (No Coastal Minibus service on Wednesdays). Car Park at Llanbedrog is free for National Trust members.
Day 8, Llanbedrog to Afon Wen, 11 miles. Bus from Afon Wen to Pwllheli, then a bus to Llanbedrog.
Day 9, Afon Wen to Porthmadog, 14 miles. Bus from Porthmadog to Afon Wen. The 110-mile Llyn Peninsular Coastal Path ends at Porthmadog.
We stayed in Tirionfa Guest House Cricieth for two nights, well recommended.