Tom Weir, a lifeguard at the Cranberry Township WaterPark, relaxes in a chair where he will spend a significant part of his summer. The pool opened Saturday for the season.

Here are swimming pools and beaches in Butler County:

<B>Address</B>: 184 Alameda Road, Butler<B>Telephone</B>: 724-284-5384<B>Summer hours</B>: Opens June 2, noon to 7 p.m., except in the case of special events<B>Daily admission</B>: $4.50. Ages 2 and younger are free. Cost is $2.25 after 4:30 p.m. Monday through Thursday, excluding holidays. Membership fee is $180 for a family membership of up to four people, $90 for youth, $95 for adult and $75 for senior citizens. Families of more than four pay $15 per additional member.

<B>Address</B>: 339 N. Washington St., Butler<B>Telephone</B>: 724-287-4733<B>Summer hours</B>: 5:30 a.m. to 9:30 p.m.<B>Daily admission</B>: $7/adults, $4/youth 14 to 17, $3/children 6 to 13, and free for children 5 and younger. Call for information on memberships. Swimmers 17 and younger must be accompanied by an adult or YMCA member. Health Center day passes are $9.

<B>Address</B>: North Boundary Park on North Boundary Road, Cranberry Township<B>Telephone</B>: 724-776-4806, Ext. 1286<B>Summer hours</B>: 11:30 a.m. to 8 p.m. May 26 to Sept. 3<B>Daily admission</B>: $5/township resident, $7/non-residents. After 6 p.m., cost is $2/resident, $3/non-residents. Call for information on summer passes.

<B>Address</B>: 154 W. Main St., Evans City<B>Telephone</B>: 724-538-8920<B>Summer hours</B>: 11 a.m. to 8 p.m. from June 1 to Aug. 25<B>Daily admission</B>: $5/adults, $3/senior citizens and children 3 and younger. After 5 p.m., cost is $3/adults and $1.50/seniors and children.

<B>Address</B>: Stanton Avenue, Mars<B>Telephone</B>: 724-625-9530<B>Summer hours</B>: 12:30 to 8 p.m. from May 26 to Labor Day weekend<B>Daily admission</B>: For information on memberships, visit www.marspool.org

<B>Address</B>: 225 Pleasant Valley Road, Portersville<B>Telephone</B>: 724-368-8811<B>Summer hours</B>: Pleasant Valley on the South Shore: open swim sunrise to sunset, Memorial Day weekend to Labor Day weekend, no lifeguards present. Lakeview Beach on the North Shore: open swim sunrise to sunset through the end of September, no lifeguards present. There is a guarded swim from 11:30 a.m. to 7:30 p.m. between Memorial Day weekend and Labor Day weekend on the North Shore.<B>Daily admission</B>: Free.

<B>Address</B>: Monroe Road, Penn Township<B>Telephone</B>: 724-586-9561<B>Summer hours</B>: Noon to 8:30 p.m. beginning June 3<B>Daily admission</B>: Memberships and parties for guests available. Call for details.

<B>Address</B>: 311 Hannahstown Road, Cabot<B>Telephone</B>: 724-352-3213<B>Summer hours</B>: Noon to 8 p.m. beginning Memorial Day weekend.<B>Daily admission: </B>Seasonal memberships available for $280 per family; $6/person for a day or $4/person after 4 p.m. Children younger than 2 are free.

<B>Address</B>: 390 Castle Creek Drive, Community Park<B>Telephone</B>: 724-776-3090<B>Summer hours</B>: 11 a.m. to 8 p.m. Monday through Friday; noon to 8 p.m. Saturday and Sunday starting Memorial Day. <B>Daily admission</B>: Memberships for borough resident: $150/family, $70/single adult and $60/senior citizens. Daily resident rates: $5/adults, $3/children between ages 3 and 17, and $3 for senior citizens older than 60. Memberships for non-residents: $175/family, $95/single adult and $80 senior citizens. Daily non-resident rates: $8/adult, $5/children and $5/senior citizen. Children younger than 3 are free for both residents and non-residents.

<B>Address</B>: Slippery Rock University<B>Telephone</B>: 724-738-4800<B>Summer hours</B>: 6 a.m. to 8:30 p.m. Monday to Thursday; 6 a.m. to 6:30 p.m. Friday; noon to 4:30 p.m. Saturday; noon to 6:30 p.m. Sunday<B>Daily admission</B>: $5/adults, which includes entire center; free/youth 15 and younger with adult admission or member. Call for membership information, prices vary.

<B>Address</B>: East Beaver Street, Zelienople<B>Telephone</B>: 724-452-0231<B>Summer hours</B>: Noon to 8 p.m. Memorial Day to Labor Day<B>Daily admission</B>: $5/person, Monday through Friday; $6/person, Saturday and Sunday for the big pool; $3/person for lap swim between 6 and 8 p.m. Baby pool admission is $3 Monday through Friday and $4 Saturday and Sunday.