🌤 Weather at Walgren Lake State Recreation Area by season
| Spring | Summer | Fall | Winter |
|---|---|---|---|
| 22–68 °F | 52–86 °F | 20–76 °F | 12–40 °F |
Each range runs from the coldest monthly average low to the warmest monthly average high in that season (1991-2020 climate normals), measured at Hay Springs, 7 mi away, elevation 3,855 ft. Conditions at the park can differ from the station, especially where elevation differs — check a forecast before you go.
🏆 Small lake famous for its local legend — the “Walgren Lake Monster” (a Nessie-like creature reported since the 1920s!). Sheridan County is remote Sandhills ranching country.
Visitor Information
| Detail | Information |
|---|---|
| Location | Sheridan County, NE |
| Entry Fee | NE Park Permit Required |
About Walgren Lake
Walgren Lake State Recreation Area in Sheridan County sits in the Sandhills of northwestern Nebraska — home to the legendary “Walgren Lake Monster,” a creature from Pawnee and pioneer folklore said to inhabit the lake. Whether the monster is real or not, the lake offers peaceful fishing and camping in one of the most remote parts of the state.
Walgren Lake State Recreation Area in Sheridan County provides fishing on a 50-acre lake in the Pine Ridge region of northwestern Nebraska — and harbors one of the Great Plains’ great legends. Originally called Alkali Lake, the lake has been the subject of “monster” sightings since the early 1920s, when local ranchers reported a 40-foot creature with a horn-like appendage. The Nebraska legislature even passed a resolution acknowledging the legend. The lake sits beneath the dramatic Pine Ridge escarpment.
Things to Do
Fishing for bass, catfish, and bluegill, camping, keeping an eye out for the Walgren Lake Monster (Nebraska’s Loch Ness), and stargazing under the extraordinarily dark Sandhills night skies.
Fishing for largemouth bass and bluegill, camping, monster-hunting (watch the water!), exploring the Pine Ridge escarpment, and visiting nearby Chadron State Park — Nebraska’s first state park (1921).
Insider Tips
Monster legend: Walgren Lake has its own monster legend — “Ol’ Giganticus,” a serpent-like creature reportedly spotted in the 1920s. Pro tip: Whether or not you believe in lake monsters, Walgren is a peaceful Sandhills-edge lake with good fishing. Toadstool Geologic Park: The nearby Toadstool Geologic Park features badlands landscapes with mushroom-shaped rock formations — free to visit and eerily beautiful.
Best Time to Visit
Summer: Fishing and camping. Spring: Crappie spawn. Fall: Best Toadstool hiking — cool and clear. Year-round: The lake is pleasant anytime.
Frequently Asked Questions
What is Toadstool Geologic Park?
A free-to-visit badlands area in the Oglala National Grassland featuring mushroom-shaped rock formations (sandstone caps on soft clay pedestals). The area contains abundant Oligocene-era fossils (30 million years old) — ancient rhinos, oreodonts, and saber-toothed cats once roamed here.
Make it a road trip: Pair a visit with Chadron State Park (a short drive away) or Box Butte Reservoir State Recreation Area (within about an hour’s drive).
Camping reservations: Book campsites and cabins for Nebraska state parks online at nebraskastateparks.reserveamerica.com.
Wildlife & Nature
Walgren Lake SRA — a small lake famous for its local legend of the “Walgren Lake Monster” — a giant creature reported since the early 1900s. The area’s lake, prairie, and hills support mule deer, pronghorn, and waterfowl.
Nearby Attractions
Hay Springs — adjacent. Sheridan County — surrounding. Fort Robinson SP — 30 miles west.
⛺ Camping at Walgren Lake State Recreation Area: Campgrounds & Cabins
| Campsites | 40 sites — 40 primitive campsites shaded by cottonwood trees, most with fire rings. Two vault latrines are available; there is no trash service, so campers must pack out what they pack in. |
|---|---|
| Reservations | All camping is first-come, first-served; campers register nightly fees at a self-service Iron Ranger box (cash or check only). A park entry permit is required per vehicle. |
| Special sites | The campground is managed by staff from nearby Chadron State Park. Concrete boat ramp and dock; 5-mph no-wake lake. |
Camping questions about Walgren Lake State Recreation Area
Can you camp at Walgren Lake State Recreation Area?
Yes. Walgren Lake State Recreation Area has 40 campsites. 40 primitive campsites shaded by cottonwood trees, most with fire rings. Two vault latrines are available; there is no trash service, so campers must pack out what they pack in.
How do you reserve a campsite at Walgren Lake State Recreation Area?
All camping is first-come, first-served; campers register nightly fees at a self-service Iron Ranger box (cash or check only). A park entry permit is required per vehicle.
Source: outdoornebraska.gov (verified July 2026). Details change seasonally — confirm when booking.
🐾 Dogs & Pets at Walgren Lake State Recreation Area
- Pets allowed? statewide rule
- Pets are allowed in Nebraska state park areas, including campgrounds, provided they are leashed, crated or caged.
- Leash rule statewide rule
- All animals must be on a leash no longer than 6 feet, or crated or caged.
- Beaches & swim areas statewide rule
- Designated swimming beaches and pools are off-limits to all animals except service dogs.
- Cabins & lodging statewide rule
- Pets are allowed in cabins for a $25 one-time pet fee per unit; pets are not allowed in lodge rooms.
- Pet fees statewide rule
- $25 one-time pet fee per unit for pets in cabins; no day-use pet fee.
- Statewide exceptions statewide rule
- At Lake McConaughy SRA leashing is strictly enforced to protect Least Tern and Piping Plover nesting areas; pets at large may be impounded.
Are dogs allowed at Walgren Lake State Recreation Area?
Pets are allowed in Nebraska state park areas, including campgrounds, provided they are leashed, crated or caged. Individual parks can post stricter rules — check signage on arrival.
Rules verified July 2026 via outdoornebraska.gov. More: Nebraska state parks guide · Dog rules in all 50 states compared
Park Location
Plan your gear for Walgren Lake State Recreation Area
From our editorial guides, matched to this park’s activities:
