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Lake Mary, Flagstaff

3.4
#11 of 16 in Nature in Flagstaff
Lake Mary may refer to one of two reservoirs in northern Arizona, southeast of Flagstaff. The name may also be used to refer to the two lakes as a whole. The pair of lakes impound the intermittent Walnut Creek upstream from Walnut Canyon. Recreational facilities at both lakes are maintained under the authority of the Coconino National Forest.
Upper Lake Mary, the further upstream of the two lakes, is formed by a small earthen dam on Walnut Creek. The lake is long and narrow, with a maximum length of about 5 miles (8 km), and a maximum width of about 2,000 feet (610 meters). During dry seasons the lake will narrow and shorten. The lake is named after Mary Riordan, a daughter of the wealthy lumber barons who built the lake in 1905 for a water supply for Flagstaff.
Upper Lake Mary is also stocked with several fish species for angling, including crappie, sunfish, channel catfish, northern pike and walleye. Largemouth bass, yellow bass and yellow perch are sometimes reported to be found in the lake, as well.
Lower Lake Mary is the second reservoir in the system, located just downstream of the upper lake. It is the smaller of two lakes, reaching a maximum length of 3 miles (5 km) during wet seasons. At its maximum capacity, the lake fills the valley from the small earthen dam at its head to the foot of the dam holding back Upper Lake Mary. During dry seasons, however, the lake has a tendency to dry up completely, except for small pools along the dam.
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Lake Mary Reviews
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TripAdvisor Traveler Rating
TripAdvisor Traveler Rating 3.5
68 reviews
Google
4.3
TripAdvisor
  • It’s been a long time since I have seen the lake this full. It is wonderful right now! I guess the fishing must be pretty good as I saw lots of people fishing. It’s a beautiful area of Arizona that us...  more »
  • Stopped by to check out the water level. It is higher than it has been in years. Good to see the buoys out and people fishing. A great quiet place to have lunch and relax.  more »
  • Low water levels are even lower than the last time I was out for a drive. Still a good place to take a drive or pedal to, but it's not anything close to what it was - more land than water on the one s...  more »
Google
  • Very pretty place but no where to walk dogs around for very far. There is a small stretch of dirt that people fish from but that's it.
  • I went out one afternoon in the winter and the whole lake was frozen! I have never seen it like that before, so it was a great experience for me! I didn't walk out on the lake, but it looks as if some people tried. Lake Mary is a lot more fun in the summer time!
  • Fun place to play in the water, I wish they had more services there and cell phone service.
  • Beautiful, the most water in the lake I have seen in three years
  • Beautiful lake with easy access and many hiking areas.
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