Upcoming events at Diamond Lake: Featured Jul 17 July 17, 2026 – July 19, 2026 Mind & Mission Challenge July 17, 2026 – July 19, 2026 July 17, 2026 – July 19, 2026 Jul 24 July 24, 2026 – July 26, 2026 Christmas in July July 24, 2026 – July 26, 2026 July 24, 2026 – July 26, 2026 Jul 31 July 31, 2026 – August 2, 2026 Mentor Kids Rugged Race July 31, 2026 – August 2, 2026 July 31, 2026 – August 2, 2026 Aug 7 August 7, 2026 – August 9, 2026 Chocolate Lovers Weekend August 7, 2026 – August 9, 2026 August 7, 2026 – August 9, 2026 Aug 14 August 14, 2026 – August 16, 2026 80s Weekend August 14, 2026 – August 16, 2026 August 14, 2026 – August 16, 2026 Sep 4 September 4, 2026 – September 6, 2026 Labor Day Weekend September 4, 2026 – September 6, 2026 September 4, 2026 – September 6, 2026 Oct 2 October 2, 2026 – November 1, 2026 Boo Fest (All October) October 2, 2026 – November 1, 2026 October 2, 2026 – November 1, 2026
