Best for little dogs (separate small-dog areas)

Parks that keep a penned-off area just for smaller dogs — so a 12-lb pup isn't shoulder-to-shoulder with a 90-lb retriever.

Gear to go with this list: shop: a small-dog harness (Amazon search links)

Denver City · ~1.5 acres

Open

fenced

Lowry neighborhood; separated small/large dog areas.

Metro Area · ~5 acres

Metro

fenced · water · shade

Well-kept fenced off-leash with separate small/large areas, water and shade.