Complex sentence: The Manayunk Development Corporation is currently organizing a full restoration of the Manayunk Canal; once the restoration is complete, it will be possible for canoes and small boats to sail through the Manayunk Canal Towpath as they make their way down the Schuylkill River.
Split into simpler sentences: The Manayunk Development Corporation is currently organizing a full restoration of the Manayunk Canal. Once the restoration is complete, it will be possible for canoes and small boats to sail through the Manayunk Canal Towpath as they make their way down the Schuylkill River.