Indiana Open Arenas Equivent Take entries online for your event without any fees to you (the producer) All the open arenas in Indiana listed on Bestarenas.com B Black Diamond Arena – Winslow, IN C C Bar C Expo Center – Cloverdale IN D Denver Saddle Club – Denver, IN G Grant County Fair Grounds – Marion, IN H Henry County Saddle Club – New Castle, IN Hoosier Horse Park – Nineveh, IN J Jay County Fair Grounds – Portland, IN M Madison County Equestrian Club – Anderson, IN R Reins Of Life Therapeutic Horseback Riding South Bend, IN S Saint Joseph County Fair Grounds – South Bend, In Saylor’s Arena – Grovertown, IN 2 2C Ranch Arena – Colfax, IN