Late Night Fishing at Simpson Park. The parks are open until 11pm on very second Saturday of the month, April-October. St. Louis County Parks include: Creve Coeur, Simpson, Suson & Spanish Lark Parks. Bring your poles, bait and light source and enjoy a night of fishing from the bank of these lakes. See the website, or call the Parks Department 314-615-8472, for more info. NO reservations are needed, this event is FREE!