In Council Bluffs, on the west side of a 191-acre city park off North 8th Street, there is a lake. It was once an oxbow of the Missouri River — a riverbend left behind when the water changed its mind. A raised earthen levy bisects the park, separating the main lake on the north from two smaller ponds on the south. The northwestern cove of the lake, choked with cattails and the occasional broken paddleboat, has been called "the Hollar" by locals since at least the 1950s. Something lives in the Hollar.
The modern record begins in 1962, when a brakeman for the
Chicago & North Western named Roy Tvedt reported a
"pale, log-shaped animal, five or six foot, with eyes"
surfacing near the reeds at dawn. He described it to a reporter
from the Daily Nonpareil as bigger'n it had any right
to be, up here.
Iowa is not alligator country. That is the
first thing anyone who hears about Bluffy will tell you. Iowa is
not alligator country.
And yet — between 1962 and today — we have catalogued
no fewer than 47 credible witness accounts of a large,
dark-backed, plainly reptilian animal in the waters of Big Lake
Park. The Pottawattamie County Sheriff's Office has an open
informational file (not an investigation, they are careful
to say). The Iowa Department of Natural Resources, who
restock the lake with rainbow trout twice a year, have, in their
own words, no comment at this time.
In 1996 a fourteen-year
study of creel-return data suggested trout returns were running
roughly 22% below expected for a lake of this class. The
memo explaining the discrepancy was filed and never followed up.
We do not say that the animal is one animal. It may be a lineage. It may be that several have lived and died in the Hollar over seventy years. What we say — what the Haverstock family has been saying since my grandfather started clipping articles into a shoebox in 1968 — is that something is in there.
Selected entries from the Haverstock Archive. The full archive — 487 logged incidents as of the last update — is available for in-person research by appointment.
A handful of Mormon pioneer journals from the Kanesville encampment (the settlement that would become Council Bluffs) make passing reference to a "dragon" or "water-wyrm" in the oxbow lakes north of the bluff. The original documents are held in scattered private and church collections; transcriptions in the Pottawattamie Historical archive are partial and, in several instances, second-hand. The provenance is soft. We include them because they are there.
A Works Progress Administration drainage crew surveying the
Big Lake watershed allegedly recorded reptilian specimen,
approx. 7 ft
in a field-notebook during August of 1934.
The notebook is referenced in a 1962 county-clerk inventory
but cannot be located in the current county archive. We are
told it was "pulled for conservation" sometime in the
1980s and not returned.
Roy Tvedt, brakeman. 5:40 AM. Reported in the Daily
Nonpareil, page 6, under the headline
GATOR IN BIG LAKE? BRAKEMAN SAYS YES.
Ran three paragraphs.
The paper printed a follow-up the next week concluding it was
probably a displaced muskrat. Mr. Tvedt wrote a letter to the
editor that began: I know what a muskrat looks like.
At 7:45 PM on a Saturday evening, eleven independent witnesses — including members of the Council Bluffs fire and police departments — observed a "reddish object about 500–600 feet in the air, falling straight down" into Big Lake Park. A flash, two arms of fire ten feet high, and scattered molten high-carbon steel debris were recovered. This event is independently documented by the Historical and Preservation Society of Pottawattamie County and has never been satisfactorily explained. In the three weeks following the impact, my grandfather recorded seven new sighting reports — more than the entire preceding year. The Haverstock family does not claim the two events are related. We note only that they occurred.
A family of four, visiting from Glenwood, rented a paddleboat
from the seasonal concession (no longer in operation). Twenty
minutes in, something hit the boat hard enough to spin us
sideways.
The youngest child, seated in the bow, reported
seeing "scales, a row of them" break the surface two
feet off the port hull. The boat was returned early. The
rental log notes only: "gouge in left pontoon, no
refund." The concession closed in 1991.
Beginning in fall 1987, returns on DNR-stocked rainbow trout
ran consistently below modeled projections. An internal DNR
memo dated March 4, 1996 attributes the shortfall to
accumulated vegetative debris, likely large common carp
(Cyprinus carpio) predation, and possible unauthorized
removal.
The memo is reproduced in the Archive below. In
1997 the stocking protocol was quietly modified to increase
stock count by 15%. No public explanation was ever given.
5:47 AM. Henry "Hank" Haverstock — my father —
took a single Polaroid photograph from the east side of the
levy looking west into the Hollar. He was there to photograph
waterfowl. He did not see the animal in the viewfinder; he
saw it only when the Polaroid developed. He told my mother
what he'd gotten, sat at the kitchen table for fifteen
minutes, and then said only: I'm glad it was a Polaroid.
I'd have never trusted a negative.
The original hangs in the shoppe behind glass. A scan is
reproduced below. Believe what you will.
A junior from Abraham Lincoln High School, on a training run
with the girls' cross-country team, fell behind on the levy
path. She reported seeing something bigger than me
slide off the levy into the water approximately fifteen feet
ahead. She was teased for it for the rest of the season. In
2017, as an adult, she sent us a signed statement reaffirming
the account without alteration. She declined to be named.
During the historic 2011 Missouri River flood, which inundated large portions of western Iowa and eastern Nebraska, Big Lake breached its levy for nine days. The Haverstock Archive received nineteen sighting reports in June alone — the most of any month on record. Three reports independently described the animal as "moving overland, across the access road, toward the trees." Post-flood, reports dropped to near zero for sixteen months. Some of us think it left. Some of us think it found somewhere quieter.
A Council Bluffs resident flying a consumer drone over the south ponds captured three seconds of footage showing something long and dark making a slow S-turn beneath the surface before disappearing into shadow. The footage was posted to a regional Facebook group, received 412 comments, and was taken down four days later. We have a copy. It convinces the convinced and is dismissed by the dismissive. Such is the nature of the thing.
An anonymous witness — whose identity and occupation
are known to the Archive and verified — reported, from
a distance of approximately thirty yards in full daylight, an
animal they estimated at twelve to fourteen feet. The
witness took no photograph. The witness was not carrying a
phone. The witness said, by way of explanation: I didn't
want to look away.
Selected sightings, 1962–present, plotted over Big Lake Park. The Hollar (northwest cove) accounts for roughly 58% of all credible reports. Secondary clusters appear at the west spillway and the southwest pond.
Scanned selections from the family archive. Originals are in archival sleeves at the shoppe and may be viewed by appointment. Please do not ask to view them during the Fall Harvest Weekend; we are busy.
A Glenwood family's Sunday outing at Big Lake Park ended early
this weekend after what the father described as
a solid, direct strike
to the hull of their rented
paddleboat approximately 150 yards from shore.
It wasn't a log,
the man said, declining to be named.
A log don't turn you sideways. My daughter saw scales. I
told her it was a snapper. I don't think it was a snapper.
The concession operator declined a partial refund, citing
visible damage to the left pontoon. A Parks & Rec.
spokesperson, reached Monday, said the department had
no unusual reports
from the lake and suggested the
animal in question was likely a snapping turtle or large carp.
We do not endorse any single theory. We display all five.
Proceeds support the Archive, park cleanups, and trail camera batteries. Open Saturdays & Sundays, 9–4, April through October. Off-season by appointment. Cash, check, & Venmo — no cards, sorry.
| Item | Notes | Price |
|---|---|---|
| Bluffy Plush (small, 8") | Hand-sewn by Reba. Each slightly different. No two alike. | $18.00 |
| Bluffy Plush (large, 22") | Same, bigger. Takes Reba about four evenings. | $52.00 |
| "I'm a Bluffy Believer" Bumper Sticker | Vinyl, weather-proof. Green on cream. | $4.00 |
| Sightings Map Print (11×17) | Updated annually. Signed by Reba. 2025 Ed. | $14.00 |
| The Haverstock Archive — Vol. I (1962–1999) | Spiral-bound, 118 pgs. Selected reports, memos, clippings. Self-published. | $26.00 |
| The Haverstock Archive — Vol. II (2000–2024) | Spiral-bound, 146 pgs. Includes drone footage stills. | $28.00 |
| Polaroid Reproduction (5×7, framed) | High-res scan of the 1996 photograph. NOT the original. | $38.00 |
| "Gator-Aid" Local Honey (8 oz) | From hives east of the park. Tastes like basswood. NEW | $9.50 |
| Bluffy Bites (smoked beef jerky, 4 oz) | Not made from Bluffy. We want to be clear about that. | $11.00 |
| Trail Cam "Lucky Frame" Print | The 2019 drone still. Ambiguity fully preserved. | $22.00 |
* We do not sell alligator products of any kind. *
Reba Haverstock leads a 90-minute guided walk around the levy and the edge of the Hollar beginning at first light (arrival time changes with the season — call ahead or check the sandwich board at the shoppe). Group size capped at eight for noise reasons. Good walking shoes. Bring a thermos.
Cost: $15 per adult, $5 per kid, free for anyone over
seventy who asks.
What we do: walk quietly, listen, review the recent
sightings log, look at a Polaroid reproduction in the field
where the Polaroid was taken.
What we don't do: promise you anything. We have never
had a confirmed sighting during a Dawn Patrol. We tell you
that up front. We still go every Saturday.
If it wanted to be seen on a schedule, we'd have sold it to
a zoo by now.
— Reba
Seen something? CLICK HERE to file a
report. We triage every one. Your identity can be withheld on
request.
(recent entries reproduced below with permission —
some redacted for privacy)
Fellow travelers & researchers we correspond with:
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This site is #23 of 61 in the ring. Ring administered by
"PlainsPhenomena" out of Topeka. Est. 1999.