The parks most likely to keep a dog comfortable in summer sun: ones with shade trees or a lake/beach/dog beach to splash in.
Denver City
Open
fenced
Big community favorite; grass with mature shade trees along the edges.
Metro Area · ~5 acres
Metro
fenced · water · shade
Well-kept fenced off-leash with separate small/large areas, water and shade.
Metro Area · 100+ acres
Metro
—
Huge state-park DOLA a short drive from Denver.
Metro Area · 69 acres
Metro
—
69 fenced acres of field plus a lake-shore gravel dog beach (the beach draws crowds in summer).
Metro Area
Metro
fenced
Boulder side of the metro; fenced dog areas plus off-leash creek access.
Metro Area
Metro
fenced
First Creek off-leash area in Central Park.
Metro Area · ~7 acres
Metro
fenced · shade
Fenced dog off-leash area adjacent to TGM in Golden.
