The second-from-bottom former champions just shaded the aggregate by nine points after the teams had finished deadlocked with four wins each. On the points count-back Sunny Rhyl took the two bonus points by a 145-136.
St Asaph's high hopes of winning their Section A derby date at bottom-of-the-table Denbigh A came unstuck as their neighbours threw themselves a lifeline with an invaluable 9-5 victory. Rhuddlan also find themselves locked in a tough battle for survival after crashing 11-3 at leaders Rhos Park in Section B.
Results: Section A: Beaumaris 11 Caernarfon 3; Colwyn Bay RBL 8 Rhos Park A 6; Denbigh A 9 St Asaph A 5; Min-y-Don Park 9 Llanrwst 5; Penmaenmawr A 6 Deganwy Ventilation 8. Section B: Abergele 9 Beaumaris B 5; Blaenau ffestiniog 11 Bethesda 3; Fron Park 10 Craigydon 4; Llandudno A 5 Llanfairpwll 9; Rhos Park 11 Rhuddlan 3. Section C: Highbury 7 Copperfields 7; Holyhead 10 Mochdre 4; Llanrwst B 9 Grove Park 5; Old Colwyn 4 Conwy 10. Section D: Penygroes 9 Denbigh B 5; Rhyl 6 Kinmel Bay 8; St Asaph B 10 Llandudno B 4; Vardre 7 Llysfaen 7.
Top block Lewis Scott pulled off a 21-6 win to send leaders St Asaph A storming to a 9-5 victory at Rhuddlan A to retain their Division A title by a distance.
A disappointing 8-6 defeat for rivals Sunny Rhyl A at Dyserth A meant that the super Saints are an unassailable 40 points clear of the field nearing the finishing line and beyond reach.
Results: Division A: Abergele A 10 Copperfields 4; Dyserth A 8 Sunny Rhyl A 6; Highbury 5 Denbigh A 9; Rhuddlan A 5 St Asaph A 9; Trefnant A 6 Meliden A 8. Division B: Grove Park 7 Llysfaen 7; Meliden B 12 East Parade A 2; St Asaph B 9 Bryn Newydd 5; Sunny Rhyl B 8 Kinmel Bay A 6. Division C: Denbigh B 9 Trefnant B 5; East Parade B 2 Rhuddlan B 12; Kinmel Bay B 4 Dyserth B 10; Rhyl B 5 Abergele B 9.
Clwydian Senior Citizens League
Division A: Penrhyn New Hall 4 (167), Abergele A 8 (179); Rhuddlan A 9 (190), Grove Park A 3 (161); Rhos on Sea A 3 (149), Kinmel Bay A 9 (175); Meliden A 7 (180), Old Colwyn A 5 (168); Copperfields A 9 (189), Trefnant A 3 (173).
Division B: Fron Park 10 (204), Copperfields B 2 (90); Sunny Rhyl 5 (176), Denbigh A 7 (180); Highbury A 9 (181), Dyserth A 3 (146); Abergele B 11 (201), St Asaph 1 (127).
Division C: Denbigh B 7 (168), Abergele C 5 (159); Trefnant B 4 (126), East Parade A 8 (185); Rhyl A 6 (179), Eirias Park B 6 (168); Bryn Newydd B 6 (164), Rhuddlan B 6 (176).
Division D: Dyserth B 3 (131), Meliden B 9 (179); Kinmel Bay B 4 (155), Rhos on Sea B 8 (170); East Parade B 10 (191), Rhos on Sea C 2 (139); East Parade C 3 (117), Rhyl B 9 (170).