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California's Great America Hours & Boomerang Bay Waterpark Hours

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California's Great America Park Hours

Please find our up-to-date park hours by viewing the calendar below.

Note: operating dates and hours are subject to change.

Select a Calendar
  • Park
  • Waterpark
  • Halloween Haunt
  • WinterFest

May 2019

May 3
Fri
9 AM - 5 PM
May 4
Sat
10 AM - 8 PM
May 5
Sun
10 AM - 7 PM
May 10
Fri
9 AM - 5 PM
May 11
Sat
10 AM - 8 PM
May 12
Sun
10 AM - 7 PM
May 16
Thu
10 AM - 6 PM
May 17
Fri
9 AM - 5 PM
May 18
Sat
10 AM - 5 PM
May 23
Thu
10 AM - 6 PM
May 24
Fri
10 AM - 8 PM
May 25
Sat
10 AM - 10 PM
May 26
Sun
10 AM - 10 PM
May 27
Mon
10 AM - 8 PM
May 28
Tue
10 AM - 6 PM
May 29
Wed
10 AM - 6 PM
May 30
Thu
10 AM - 6 PM
May 31
Fri
10 AM - 8 PM

June 2019

Jun 1
Sat
10 AM - 10 PM
Jun 2
Sun
10 AM - 10 PM
Jun 3
Mon
10 AM - 8 PM
Jun 4
Tue
10 AM - 8 PM
Jun 5
Wed
10 AM - 8 PM
Jun 6
Thu
10 AM - 8 PM
Jun 8
Sat
10 AM - 10 PM
Jun 9
Sun
10 AM - 10 PM
Jun 10
Mon
10 AM - 8 PM
Jun 11
Tue
10 AM - 8 PM
Jun 12
Wed
10 AM - 8 PM
Jun 13
Thu
10 AM - 8 PM
Jun 14
Fri
10 AM - 10 PM
Jun 15
Sat
10 AM - 10 PM
Jun 16
Sun
10 AM - 10 PM
Jun 17
Mon
10 AM - 10 PM
Jun 18
Tue
10 AM - 10 PM
Jun 19
Wed
10 AM - 10 PM
Jun 20
Thu
10 AM - 10 PM
Jun 21
Fri
10 AM - 10 PM
Jun 22
Sat
10 AM - 10 PM
Jun 23
Sun
10 AM - 10 PM
Jun 24
Mon
10 AM - 10 PM
Jun 25
Tue
10 AM - 10 PM
Jun 27
Thu
10 AM - 10 PM
Jun 28
Fri
10 AM - 10 PM
Jun 29
Sat
10 AM - 10 PM
Jun 30
Sun
10 AM - 10 PM

July 2019

Jul 1
Mon
10 AM - 10 PM
Jul 2
Tue
10 AM - 10 PM
Jul 3
Wed
10 AM - 10 PM
Jul 4
Thu
10 AM - 10 PM
Jul 5
Fri
10 AM - 10 PM
Jul 6
Sat
10 AM - 10 PM
Jul 7
Sun
10 AM - 10 PM
Jul 8
Mon
10 AM - 10 PM
Jul 9
Tue
10 AM - 10 PM
Jul 10
Wed
10 AM - 10 PM
Jul 11
Thu
10 AM - 10 PM
Jul 12
Fri
10 AM - 10 PM
Jul 13
Sat
10 AM - 10 PM
Jul 14
Sun
10 AM - 10 PM
Jul 15
Mon
10 AM - 10 PM
Jul 16
Tue
10 AM - 10 PM
Jul 17
Wed
10 AM - 10 PM
Jul 18
Thu
10 AM - 10 PM
Jul 19
Fri
10 AM - 10 PM
Jul 20
Sat
10 AM - 10 PM
Jul 21
Sun
10 AM - 10 PM
Jul 22
Mon
10 AM - 10 PM
Jul 23
Tue
10 AM - 10 PM
Jul 24
Wed
10 AM - 10 PM
Jul 25
Thu
10 AM - 10 PM
Jul 26
Fri
10 AM - 10 PM
Jul 27
Sat
10 AM - 10 PM
Jul 28
Sun
10 AM - 10 PM
Jul 29
Mon
10 AM - 10 PM
Jul 30
Tue
10 AM - 10 PM

August 2019

Aug 1
Thu
10 AM - 10 PM
Aug 2
Fri
10 AM - 10 PM
Aug 3
Sat
10 AM - 10 PM
Aug 4
Sun
10 AM - 10 PM
Aug 5
Mon
10 AM - 9 PM
Aug 6
Tue
10 AM - 9 PM
Aug 7
Wed
10 AM - 9 PM
Aug 8
Thu
10 AM - 9 PM
Aug 9
Fri
10 AM - 10 PM
Aug 11
Sun
10 AM - 8 PM
Aug 12
Mon
10 AM - 6 PM
Aug 17
Sat
10 AM - 10 PM
Aug 18
Sun
10 AM - 8 PM
Aug 24
Sat
10 AM - 10 PM
Aug 25
Sun
10 AM - 8 PM
Aug 31
Sat
10 AM - 10 PM

September 2019

Sep 1
Sun
10 AM - 10 PM
Sep 2
Mon
10 AM - 8 PM
Sep 7
Sat
10 AM - 7 PM
Sep 8
Sun
10 AM - 6 PM
Sep 14
Sat
10 AM - 7 PM
Sep 15
Sun
10 AM - 6 PM
Sep 21
Sat
10 AM - 7 PM
Sep 28
Sat
10 AM - 5:30 PM
Sep 29
Sun
10 AM - 5:30 PM

October 2019

Oct 5
Sat
10 AM - 5:30 PM
Oct 6
Sun
10 AM - 5:30 PM
Oct 12
Sat
10 AM - 5:30 PM
Oct 13
Sun
10 AM - 5:30 PM
Oct 19
Sat
10 AM - 5:30 PM
Oct 20
Sun
10 AM - 5:30 PM
Oct 26
Sat
10 AM - 5:30 PM

May 2019

May 25
Sat
11 AM - 6 PM
May 26
Sun
11 AM - 6 PM
May 27
Mon
11 AM - 6 PM

June 2019

Jun 1
Sat
11 AM - 6 PM
Jun 2
Sun
11 AM - 6 PM
Jun 3
Mon
11 AM - 6 PM
Jun 4
Tue
11 AM - 6 PM
Jun 5
Wed
11 AM - 6 PM
Jun 6
Thu
11 AM - 6 PM
Jun 8
Sat
11 AM - 6 PM
Jun 9
Sun
11 AM - 6 PM
Jun 10
Mon
11 AM - 6 PM
Jun 11
Tue
11 AM - 6 PM
Jun 12
Wed
11 AM - 6 PM
Jun 13
Thu
11 AM - 6 PM
Jun 14
Fri
11 AM - 6 PM
Jun 15
Sat
11 AM - 6 PM
Jun 16
Sun
11 AM - 6 PM
Jun 17
Mon
11 AM - 6 PM
Jun 18
Tue
11 AM - 6 PM
Jun 19
Wed
11 AM - 6 PM
Jun 20
Thu
11 AM - 6 PM
Jun 21
Fri
11 AM - 6 PM
Jun 22
Sat
11 AM - 6 PM
Jun 23
Sun
11 AM - 6 PM
Jun 24
Mon
11 AM - 6 PM
Jun 25
Tue
11 AM - 6 PM
Jun 27
Thu
11 AM - 6 PM
Jun 28
Fri
11 AM - 6 PM
Jun 29
Sat
11 AM - 6 PM
Jun 30
Sun
11 AM - 6 PM

July 2019

Jul 1
Mon
11 AM - 6 PM
Jul 2
Tue
11 AM - 6 PM
Jul 3
Wed
11 AM - 6 PM
Jul 4
Thu
11 AM - 6 PM
Jul 5
Fri
11 AM - 6 PM
Jul 6
Sat
11 AM - 6 PM
Jul 7
Sun
11 AM - 6 PM
Jul 8
Mon
11 AM - 6 PM
Jul 9
Tue
11 AM - 6 PM
Jul 10
Wed
11 AM - 6 PM
Jul 11
Thu
11 AM - 6 PM
Jul 12
Fri
11 AM - 6 PM
Jul 13
Sat
11 AM - 6 PM
Jul 14
Sun
11 AM - 6 PM
Jul 15
Mon
11 AM - 6 PM
Jul 16
Tue
11 AM - 6 PM
Jul 17
Wed
11 AM - 6 PM
Jul 18
Thu
11 AM - 6 PM
Jul 19
Fri
11 AM - 6 PM
Jul 20
Sat
11 AM - 6 PM
Jul 21
Sun
11 AM - 6 PM
Jul 22
Mon
11 AM - 6 PM
Jul 23
Tue
11 AM - 6 PM
Jul 24
Wed
11 AM - 6 PM
Jul 25
Thu
11 AM - 6 PM
Jul 26
Fri
11 AM - 6 PM
Jul 27
Sat
11 AM - 6 PM
Jul 28
Sun
11 AM - 6 PM
Jul 29
Mon
11 AM - 6 PM
Jul 30
Tue
11 AM - 6 PM

August 2019

Aug 1
Thu
11 AM - 6 PM
Aug 2
Fri
11 AM - 6 PM
Aug 3
Sat
11 AM - 6 PM
Aug 4
Sun
11 AM - 6 PM
Aug 5
Mon
11 AM - 6 PM
Aug 6
Tue
11 AM - 6 PM
Aug 7
Wed
11 AM - 6 PM
Aug 8
Thu
11 AM - 6 PM
Aug 9
Fri
11 AM - 6 PM
Aug 11
Sun
11 AM - 6 PM
Aug 12
Mon
11 AM - 6 PM
Aug 17
Sat
11 AM - 6 PM
Aug 18
Sun
11 AM - 6 PM
Aug 24
Sat
11 AM - 6 PM
Aug 25
Sun
11 AM - 6 PM
Aug 31
Sat
11 AM - 6 PM

September 2019

Sep 1
Sun
11 AM - 6 PM
Sep 2
Mon
11 AM - 6 PM

September 2019

Sep 27
Fri
7 PM - 12 AM
Sep 28
Sat
7 PM - 12 AM

October 2019

Oct 4
Fri
7 PM - 12 AM
Oct 5
Sat
7 PM - 12 AM
Oct 11
Fri
7 PM - 12 AM
Oct 12
Sat
7 PM - 12 AM
Oct 13
Sun
7 PM - 12 AM
Oct 18
Fri
7 PM - 1 AM
Oct 19
Sat
7 PM - 1 AM
Oct 20
Sun
7 PM - 12 AM
Oct 25
Fri
7 PM - 1 AM
Oct 26
Sat
7 PM - 1 AM
Oct 27
Sun
7 PM - 12 AM
Oct 31
Thu
6 PM - 11 PM

November 2019

Nov 1
Fri
6 PM - 11 PM
Nov 2
Sat
6 PM - 11 PM

November 2019

Nov 29
Fri
5 PM - 10 PM
Nov 30
Sat
5 PM - 10 PM

December 2019

Dec 1
Sun
5 PM - 10 PM
Dec 6
Fri
5 PM - 10 PM
Dec 7
Sat
5 PM - 10 PM
Dec 8
Sun
5 PM - 10 PM
Dec 13
Fri
5 PM - 10 PM
Dec 14
Sat
5 PM - 10 PM
Dec 15
Sun
6 PM - 10 PM
Dec 19
Thu
5 PM - 10 PM
Dec 20
Fri
5 PM - 10 PM
Dec 21
Sat
5 PM - 10 PM
Dec 22
Sun
5 PM - 10 PM
Dec 23
Mon
5 PM - 10 PM
Dec 26
Thu
5 PM - 10 PM
Dec 27
Fri
5 PM - 10 PM
Dec 28
Sat
5 PM - 10 PM
Dec 29
Sun
5 PM - 10 PM
Dec 30
Mon
5 PM - 10 PM
Dec 31
Tue
5 PM - 12 AM
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