Defiance Lake Boat Ramp

Defiance Lake Boat Ramp is a public access point in McHenry County, Illinois, providing access to Defiance Lake. It sits within the Griswold Lake-Fox River watershed.

Sourced from Illinois Natural History Survey . Last checked against the source on July 7, 2026.

Boat ramps on Defiance Lake

Defiance Lake Boat Ramp is the only public boat ramp we have on record for Defiance Lake. Smaller creeks and coves sometimes have unofficial or private access points we haven't verified yet — if you know of one nearby, help us add it.

Other boat ramps in McHenry County

McHenry County tracks 13 public boat ramps in total, spread across several different rivers, creeks and lakes — not just Defiance Lake. Each one below shows which waterbody it's on, so you can tell at a glance whether it actually connects to the same water as Defiance Lake Boat Ramp or leads somewhere completely different.

• Defiance Lake Defiance Lake less than 0.1 mi away
• Nish Road Fox River 3 mi away
• Oak Grove Road Pistakee Lake 4 mi away
• McCullom Lake McCullom Lake 4.1 mi away
• a marina Pistakee Lake 4.4 mi away
• Bald Knob Point Pistakee Lake 4.5 mi away