Yak Attack at Geode State Park- Come join us for the 2026 Lake Geode Yak Attack Saturday June 20th at the beach area in beautiful Geode State Park! Registration / Donation cost is $25 and includes a T-shirt! Registration will be at the beach area and starts at 7:30am with a group beach photo and a shotgun start at 9am. This event was started as a fundraiser for renovating the concession building at Geode State Park!