Cian O'Connor opened the scoring with a try for the home side after eight minutes but two penalties by Danny Lyons had the visitors a point ahead as the game approached the half way mark.
John Ed O'Connor regained the lead for the home side with a try which Darragh O'Brien converted and just before the half time whistle sounded Clonmel's Phil Corby was yellow carded.
On the restart a penalty and drop goal from O'Brien extended Cashel's advantage and Kevin Quinlan scored a try before Clonmel were restored to fifteen for a 23-6 lead.
In the final minute Pat O'Connor secured the bonus point for the home side with a try which he also converted.
Defending champions Richmondwere surprisingly held at home by Kilfeacle 9-9. It was 3-3 at half time. Jeff McNamara kicked two penalties for the Limerickside and Michael Kelleher one. Shane Luby replied with three penalties for the visitors.
Crosshavendefeated newly promoted Old Christians 31-12 at Myrtleville to go into second place a point behind the leaders. The Rathcooney side led 12-7 at half time with four penalties from Aidan Tobin. Said Koya, Brian Murphy, Andrew Lane, Paul Cogan and Ross O'Connell were try scorers for the home side and Cian McGovern kicked three conversions.
Tralee's title hopes received a set back when they lost away to Waterpark 16-10. The home side led 8-3 at half time with a try from Gerry Harney and a penalty by Jared Dunbar. Brian Mullins kicked a penalty for the visitors. Dunbaradded a penalty and a try after the break and despite a late rally in the final quarter Tralee's only reply was a try and conversion from Mullins.
Clanwilliamwere brought back to earth after last week's victory over Kilfeacle when they lost sensationally at home to Ballincollig 20-18. With seventy eight minutes gone on the clock the home side looked set for a second successive victory as they led 18-8 and were awarded a five meter scrum under the Ballincollig posts. The visitors gained possession and raced up the field where Kevin Lynch touched down and Denis Galvin converted. Ballincollig regained possession from the restart and Brian O'Mahony scored a third try for the Corkside to secure their first win of the campaign.
A penalty by Willie Dwyer and a Bernard O'Callaghan try gave the home side an early 8-0 advantage. Galvin opened his side's account with a drop goal. Robbie Doyle extended the Tipperaryside's lead with a try which Dwyer converted. Kevin Doyle scored a try for the visitors and a penalty from Dwyer looked like sealing the points for Clanwilliam until Ballincollig' slate rally.
Cobh Piratescaused an upset at Skibbereen with an 18-11 victory. A try by Alan Langford and a penalty by Mark Chandler gave Cobhan 8-6 interval lead. David Shannon kicked two penalties for the home side. Sean O'Neill put Skibbereen ahead with a try, but a try by Joe Hoyne and a conversion and penalty by Chandlerearned the Pirates their first win.
St. Senan'sdefeated Thurles 20-13. Declan Collins scored two tries, conversion and a penalty and Fergal Lawler also scored a try for the Clare side.
Newly promoted Killarney have made a great start to their Second Division campaign as they share top spot with Galbally after their surprising 16-14 home win over Kinsale. The Corkside were one of the favourites for promotion and this second successive defeat has put a big dent in their promotion challenge. Jason Murphy scored a try and a penalty for the visitors and Peter Murphy kicked two penalties.
Galballycontinue their unbeaten run this season after a hard earned 11-6 away win over St. Mary's. David Guerin kicked two penalties for Mary's and Sean Lyons levelled with two for the visitors before a try from player coach Eddie Fraher earned Galbally the points.
Newcastle Westdefeated early pace setters Mallow 27-10. Niall Kelleher, Shane Magner, Mike Berkery and Richard Wall scored tries for the winners. Darren Hayes converted two and Tommy Kelleher kicked a penalty. Owen Glynn replied with a try for the visitors and Brian Morris kicked a conversion and penalty.
Ennisand Kanturk shared the spoils at the Clare venue with Brian Murphy kicking three penalties for Ennis and Darragh Meade replying with three for the North Corkside.
Muskerry collected maximum points with a 29-10 home win over Youghal. Eoin Keohane, Will Hanly, Aidan Murray and Pat Dennehy scored tries for Muskerry; Kevin McCarthy kicked a drop goal, Keohane a conversion and Dennehy two conversions.
A try by Mike Skinner and a conversion and three penalties by Micheal Ryan earned Newporta 16-3 home win over Charleville. Shane Corkery kicked a penalty for the visitors.
Castleislanddefeated Bandon 18-6. Kieran Downey scored two tries for the winners and Mark Connelly kicked a conversion and two penalties. Eoin O'Donovan replied with two penalties for Bandon.
Four sides share the lead in the Third Division. Scariff are the surprise joint leaders after they recorded their first ever bonus point win with a 34-11 home victory over Killorglin. Robbie Madden scored two tries for the Clare side and Joe McGrath, James Kelly, Barry Gibbons and Trevor Kelly all scored tries and James Kelly added two conversions.
Abbeyfealedefeated Shandon 49-3. Kieran McCarthy and Michael Enright got two tries each and David Collins, Mike Normile, Andrew Scannell, Colm Quirke and Michael Galvin one each. Scannell kicked two conversions.
Fermoy defeated BantryBay38-0. Joe Lee got two tries for the winners and Lawrence Lomasney, Darren Roche and Denis Howard one apiece. Shane O'Riordan maintained his 100% kicking record with five conversions and a penalty.
Corca Dhuibhnehad a surprisingly 35-5 home win over WaterfordCity.Jack Dooley scored two tries for the winners and Conor Begley, Chris Ferriter and Ciaran Collins scored one each. Collins kicked two conversions and two penalties. Alex Walsh scored a try for the Suirsiders who trailed 6-5 at half time.
Two tries from James Wallace and one by Michael Cronin and David Kiersey and a penalty and three conversions by Cronin gave Carrick-on-Suir a 29-10 away win over Kilrush.
Four penalties by Mark Phayer helped Presentation to a 12-10 home win over Douglas.David O'Callaghan scored a try for the visitors and Eoin Philpott kicked a conversion and penalty.
MunsterJunior League Division 1:Cashel 30,Clonmel 6;
Clanwilliam 18,Ballincollig 20;
Crosshaven 31,Old Christians 12;
Skibbereen 11,CobhPirates 18;
St. Senan's 20,Thurles 13;
Division 2:Castleisland 18,Bandon 6;
Ennis 9,Kanturk 9;
Killarney 16,Kinsale 14;
Muskerry 29,Youghal 10;
NewcastleWest 27,Mallow 10;
St. Mary's 6,Galbally 11;
Division 3:Abbeyfeale 49,Shandon 3;
Corca Dhuibhne 35,WaterfordCity5;
Kilrush 10,Carrick-on-Suir 29;
Scariff 34,Killorglin 11;
MunsterSeconds League North:Garryowen 20,Thomond 17;
UL Bohemian 45,Old Crescent3;
Young Munster,Nenagh Ormond ;
South:Dolphin 34,Sunday's Well 21;
Highfield 0,CorkConstitution 30;
Midleton 12,Clonakilty 34;
Gleeson League Division 1:Bruff 7,Shannon 27;
St. Mary's 32,St. Senan's 12;
UL Bohemian 24,Old Crescent18;
Young Munster11,Thomond 18;
Division 2:Clanwilliam ,NewcastleWest ;
Kilfeacle 10,Waterpark 16;
Thurles ,Cashel ;
Junior 2 League South Section A:Castleisland 7,Tralee41;
Kenmare 3,Killarney 22;
Listowel 48,Iveragh 5;
Section B:Clonakilty 12,Skibbereen 0;
Dunmanway 11,Bandon 12;
Section C:Mallow 11,Ballincollig 23;
Section D:Carrick-on-Suir 5,Youghal 35;
Section E:Crosshaven 19,Dolphin 28;
Sunday's Well 7,Carrigaline 27;
Section F:CobhPirates 38,U.C.C. 20;
Cork Constitution 24,Old Christians 11;
Junior 3 League South Section A:Douglas35,BantryBay12;
U.C.C. ,Ballincollig ;
Section B:CorkTransport ,Mitchelstown ;
Dolphin 15,Fermoy 54;
Under 21 South Western Conference Division 1 Section A:Corinthians,Highfield ;
N.U.I.G. 13,Old Crescent31;
U.C.C. 29,Dolphin 15;
Section B:Buccaneers 73,Sunday's Well 13;
North MunsterU21 Play Off:U.L. Bohemian 13,Shannon 14;
Avonmore Milk MunsterUnder 19 League Section B:U.L. Bohemian ,Thomond ;
Section C:Clonmel ,Galbally ;
Thurles ,Clanwilliam ;
Waterpark ,Kilfeacle ;
Section E:Old Christians 25,Clonakilty 5;
Section F:Mallow 11,Fermoy 15;
East MunsterUnder 17 League Section A:Clonmel ,Waterpark ;
Dungarvan 22,Fethard 3;
Section B:Clanwilliam ,Kilfeacle ;
Galbally ,Cashel ;
Thurles ,Carrick-on-Suir ;
East MunsterUnder 15 League Section A:Clonmel ,Waterpark B ;
Dungarvan ,Carrick-on-Suir ;
Waterpark ,Fethard ;
Section B:Cashel ,Clanwilliam ;
Galbally ,Nenagh Ormond ;
Thurles ,Kilfeacle ;
North MunsterUnder 17 League:Bruff ,Ennis ;
St. Senan's 0,NewcastleWest 19;
Thomond ,Scariff ;
North MunsterUnder 15 League Section 1:Ballina-Killaloe ,Garryowen ;
Bruff ,St. Mary's ;
NewcastleWest ,Estuary ;
Section 2:Ennis ,Old Crescent;
St. Senan's 5,Thomond 22;
U.L. Bohemian 0,Shannon43;
North MunsterUnder 13 League Section 1:Ballina-Killaloe ,NewcastleWest ;
Shannon 12,Garryowen 10;
U.L. Bohes Eagles ,Thomond ;
Section 2:Kilrush ,Young Munster;
Old Crescent 10,Ennis 17;
Richmond0,U.L. Bohes Hawks 19;
South MunsterUnder 18 League:Ballincollig ,Youghal ;
South Under 17 League Section 3:Charleville 38,Highfield B 5;
South Under 15 League Section 1:Charleville 24,CobhPirates 27;
Cork Constitution 50,Youghal 19;
Fermoy ,Old Christians ;
Midleton 0,Kanturk 19;
P.B.C. ,Mallow ;
Sunday's Well 17,Muskerry 15;
Section 2:Ballincollig 0,Kinsale 46;
Carrigaline 14,Clonakilty 55;
Crosshaven ,C.B.C. ;
Dolphin ,Bandon ;
Skibbereen ,Dunmanway ;
South Under 13 League:Mallow 24,Charleville 19;
Youghal 7,CobhPirates 22;
West Under 15 League:Castleisland ,Killarney ;
Killorglin ,Listowel ;
Tralee31,Corca Dhuibhne 10;
West Under 13 League:Tralee41,Corca Dhuibhne 27;
Under 19 Friendly:Scariff 10,Ennis 5;
Womens AIL Division 1:Blackrock 0,U.L. Bohemian 60;
Galwegians 36,Clonmel 10;
Highfield 37,St. Mary's College 5;
Division 2:Clanwilliam 0,Tralee65;
Portlaoise 12,Galbally 17;
Shannon 50,Thurles 5;
Nenagh Ormond 29,Ballincollig 10;
Youghal 0,Young Munster3;