The Louisville Zoo offers safe and invigorating walking privileges March through October - Monday -Saturday, 8-9:30 am (exit the Zoo), Twilight Hours June-July; Thursday and Friday 5-7 pm (8 pm exit the Zoo). You must show your walking club card. The Zoo offers 1.1 miles of hard surface walkways with both flat and hilly terrain. Directional signs give health tips and keeps walkers on track. To become a member of this free program just call (502) 629-1234.