Our 2026 Floating Classroom dates are set. Please add them to your calendar and check back often as we add presenters and themes! All are Tuesdays from 10-11 a.m. 
  • July 7: Geological History of the Susquehanna: Interactive, hands-on program looking at rocks and rock formations of the Susquehanna River basin and historical impacts on the flow. With Andrew Rockhound and friends.
  • July 14: Plastics and the Susquehanna: Program will provide a deep dive into some of the local studies that have been done on microplastics connected to the river and some potential solutions for the issues. Includes a hands-on project for each family to build a take-home waterway microplastic sampling device to help the association gather more data on this emerging contaminant. 
  • Aug. 11: Bats of the Susquehanna watershed: PA Game Commission educators Kelly Pollock and Jake Smith will offer interactive presentations about the importance of bats to our river, with an overview of species and some of the main threats they face.
  • Aug. 25: Muskrats and mammals: PA Game Commission biologist Tom Keller will offer a presentation on one level of the boat about muskrats and concerns over their numbers declining, what may be causing it and what we can do to help reverse things before it is too late. The other level of the boat will offer an overview of aquatic mammal species. 
  • Sept. 1: 
  • Sept. 15: 
  • Sept. 29: 
  • Oct. 6:
  • Oct. 20:

    Registration for 2026 Floating Classrooms

    ** Please note that the registration is a TWO-PART process. Registering below is the first step, but then you need to purchase the tickets using the form below that. If you have any issues with the ticket purchase or have questions about the process, please send us an email.

Floating Classroom 08/25/26: Muskrats and other aquatic mammals

$0.00 - $10.00

Only a few left!

PA Game Commission biologist Tom Keller will offer a presentation on one level of the boat about muskrats and concerns over their numbers declining, what may be causing it and what we can do to help reverse things before it is too late. The other level of the boat will offer an overview of aquatic mammal species. Program runs from 10-11 a.m.
Purchase tickets

Floating Classroom 08/11/26: Bats of the Susquehanna watershed

$0.00 - $10.00

Only a few left!

PA Game Commission educators Kelly Pollock and Jake Smith will offer interactive presentations about the importance of bats to our river, with an overview of species and some of the main threats they face. Program runs from 10-11 a.m.
Purchase tickets

Floating Classroom 07/14/26: Plastics and the Susquehanna River

$0.00 - $10.00

Only a few left!

Program will provide a deep dive into some of the local studies that have been done on microplastics connected to the river and some potential solutions for the issues. Includes a hands-on project for each family to build a take-home waterway microplastic sampling device to help the association gather more data on this emerging contaminant. Program runs from 10-11 a.m.
Purchase tickets

Floating Classroom 07/07/26: Geological history of the Susquehanna with Andrew Rockhound

$0.00 - $10.00

Only a few left!

Learn about the geology and rock formations of the past interacted with the history of the Susquehanna River with popular presenter and president of the Central PA Rock and Mineral Club Andrew Rockhound and colleagues. We will be looking at common rocks of the watershed as well as the historic impacts. Program runs from 10-11 a.m.
Purchase tickets

Looking back to previous Floating Classrooms

A variety of Floating Classroom programs have been held over the past couple summers. Looking back at some of the more recent ones:
Oct. 14, 2025: Trees and Trout
Sept. 30, 2025: Wilderness survival & Leave No Trace
Sept. 23, 2025: Hawkwatch and birding tech
Sept. 9, 2025: Riparian Buffers
Aug. 19, 2025: Scatology 101
Aug. 5, 2025: Owls of the Watershed
July 29, 2025: Ducks: Dabblers vs. Divers
July 8, 2025: Fish Kill Conundrum (Water Chemistry)

Oct. 8, 2024: Butterflies and seed bombs
Sept. 24: Turtles
Sept. 10, 2024: Casting, fish species & Chesapeake logperch
August 19: Invasive plants and bees
August 6, 2024: Hellbenders and awareness
July 16: Louisiana Waterthrush and birding
July 9, 2024: Martens and other mammals
June 11, 2024: Snails on the Susquehanna
May 21, 2024: Commonwealth Cyber Academy studies salamanders and macroinvertebrates

June 13, 2023: Rocks and Geology of the River
July 11, 2023: Insects of the Watershed
July 18, 2023: PFAS and Plants
August 5, 2023: Artifacts & Logging History
August 22, 2023: Bird Calls & Birdnet
September 5, 2023: Secret Life Inside Our Fish
September 12, 2023: Eels and Hellbenders
September 19, 2023: Trout and Drought
October 3, 2023: Raptors on the River

June 28, 2022: Aquatic mammals
July 12, 2022: Mining heritage & AMD concerns
July 19, 2022: Microplastics and fish anatomy
August 2, 2022: Bats of the watershed
August 16, 2022: Invasive invaders
August 19, 2022: Bird species and watching
September 10, 2022: Photography and videography
September 13, 2022: Flooding and Agnes' anniversary
September 27, 2022: Freshwater mussels

Your Pollution Hotline Number:
​570-768-6300

BY BECOMING A SUSQUEHANNA NEIGHBOR TODAY.
​FROM CLEAN WATER FLOW THRIVING COMMUNITIES.

Picture

​Middle Susquehanna Riverkeeper is a member of Waterkeeper Alliance. Riverkeeper is a registered trademark and service mark of Riverkeeper, Inc. and is licensed for use herein. Waterkeeper is a registered trademark and service mark of Waterkeeper Alliance, Inc. and is licensed for use herein.