| Week 17 |
| Sunday. 20 April, 2025 | |
| 12:00 am |
Easter SundayEaster Sunday |
| Tuesday. 22 April, 2025 | |
| 6:00 am |
Grass River Natural Area - Big Nature Sit on Earth DayGrass River Natural Area - The Big Nature Sit. Tuesday, April 22, 2025, 6:00 a.m. to 9:00 a.m.
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| Wednesday. 23 April, 2025 | |
| 12:00 am |
National Trout Festival KalkaskaNational Trout Festival Kalkaska last week April, annually. Read more. |
| 12:00 am |
National Professional Secretaries DayNational Administrative Professionals Day |
| Thursday. 24 April, 2025 | |
| 12:00 am |
National Take Your Child to Work DayNational Take Your Daughter and Son to Work Day |
| Saturday. 26 April, 2025 | |
| 9:00 am |
Trout Fishing at Johnson's PondAnnual Kids Trout Fishing Day at Johnson's Pond, Mancelona - to celebrate opening day of trout fishing season. Sponsored by Village of Mancelona. |
| 11:00 am | |