Natural swimming hole
Lake Mary (Upper and Lower)
Lake · Arizona
Community-reported spot. Details below are compiled from public sources and are reported to be accurate — always verify locally before visiting.
About this swimming hole
Flagstaff's backyard lakes, a paired set of reservoirs in the ponderosas minutes from town. Upper Lake Mary has the better swim beaches and picnic areas; both are cold, clean, and busy on summer weekends. Elk and eagles are regular sights at dawn.
Good to know
| Water type | Lake |
|---|---|
| Depth | swim near shore |
| Best season | May-September |
| Fees | Free |
| Reservations required | No |
| Hours | sunrise-sunset |
| Parking | Paved lots at day-use areas |
| Amenities | restrooms, picnic tables |
| County | Coconino County |
| Nearest town | Flagstaff |
| Safety notes | No lifeguard; cold water |
Map
Nearby swimming holes
Frequently asked questions
Can you swim in Lake Mary (Upper and Lower)?
Yes — Lake Mary (Upper and Lower) is listed as a natural swimming spot in Arizona. Heads-up: No lifeguard; cold water. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.
Does Lake Mary (Upper and Lower) require reservations?
No reservations are required at Lake Mary (Upper and Lower) based on current information — but verify before you go.
Is there a fee to visit Lake Mary (Upper and Lower)?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit Lake Mary (Upper and Lower)?
The best season is typically May-September.