From the Niagara Falls Review:
Viewing access at Thompson’s Point on the Niagara Parkway will be closed from March 13 to 31 for the final stages of construction of WildPlay Niagara’s Whirlpool Adventure Course.
The closure is necessary to ensure public safety during completion of the final three Adventure Course challenges to be raised at the outdoor attraction, which opens this spring. The recreation trail portion will remain open.