Lon Hagler SWA: hunting rules and access
Lon Hagler SWA is 121 acres of State Wildlife Area in Larimer County, Colorado, in game management unit 20. CPW lists deer, dove, elk, rabbit and waterfowl for it, and its rules for the property run to 18 lines: 8 on its page for the property and 10 in its regulations.
| Kind | State Wildlife Area |
|---|---|
| County | Larimer |
| Game management unit | 20 |
| Size | 121 acres |
| Coordinates | 40.3676, -105.1454 (middle of the boundary CPW maps) |
| Map | Open Lon Hagler SWA on the map |
| Acres inside the boundary CPW maps | 302, against 121 on CPW's page. Both are CPW's own figures, and they do not agree |
| Among CPW properties in unit 20 | 4th largest of 6 by the acres on CPW's pages, 7% of their 1,804 acres together |
| CPW's page read | October 8, 2026 |
A State Wildlife Area has its own rules on top of the statewide season rules. How the kinds of public land differ.
What CPW lists for hunting here
Deer, Dove, Elk, Rabbit, Waterfowl.
Fishing, as CPW lists it: Fishing Opportunities, Coldwater Stream, Warm Water.
A species on this list is one CPW names for the property. It still needs an open season, the right license for the unit, and nothing in the restrictions below against it on your dates.
Who may enter
A valid hunting or fishing license OR SWA pass is required for everyone 16 or older accessing this state wildlife area.
Restrictions on CPW's page for this property
- A. Open for public access 1 hour before sunrise to 1 hour after sunset; no time restrictions for fishing.
- B. Parking in designated areas only.
- C. Fishing prohibited in inlet structure and annex pond.
- D. Vessel use prohibited, except when used as aid for fishing. Sailboats are prohibited. Operating a vessel in a manner that creates a whitewater wake is prohibited.
- E. Horse use and target practice prohibited.
- F. Dogs must be under control and on leash by handler, unless on a vessel.
- G. From Sept. 1-end of Feb., dogs prohibited W of lakeside parking lots, except as an aid in hunting.
- H. Dogs prohibited on annex pond and adjacent lands as posted to protect wildlife.
In CPW's regulations
- a. Public access is prohibited from one (1) hour after sunset to one (1) hour before sunrise, except while fishing.
- b. Parking is allowed in designated parking areas only.
- c. Fishing is prohibited in the inlet structure and the annex pond.
- d. Vessel use is prohibited, except when used as an aid for fishing. Sailboats are prohibited.
- e. Operating a vessel in a manner that creates a whitewater wake is prohibited.
- f. Horse use is prohibited.
- g. Target practice is prohibited.
- h. Dogs are allowed but must be kept under control on physical leash by the handler at all times unless on a vessel.
- i. Dogs are prohibited west of the lake side parking lots except between September 1 and the last day of February when used as an aid to hunting.
- j. Dogs are prohibited on the annex pond and adjacent lands, as posted, to protect wildlife habitat and nesting wildlife.
From CPW regulations, chapter W-9 (Wildlife Properties), 2 CCR 406-9, dated July 16, 2026.
Read it at the source before you go
The rules above are CPW's words, copied from CPW's page for Lon Hagler SWA as it read on October 8, 2026 and from the regulations for CPW properties. CPW can change them or close the property at any time, signs on the ground count, and a rule that names a season moves with that season each year.
Unit 20, around Lon Hagler SWA
- Elk in unit 20, 2024: 875 hunters in all seasons took 355 elk, 41% success (2023: 49% from 822 hunters). The rifle seasons alone: 721 hunters, 42%. Unit 20 elk by season
- Deer in unit 20, 2024: 1,994 hunters in all seasons took 811 deer, 41% success (2023: 41% from 1,895 hunters). The rifle seasons alone: 1,681 hunters, 44%. Unit 20 deer by season
- Unit 20: 1,206 square miles in Larimer, Boulder and Weld Counties, 24.1% national forest and 0.1% BLM land, from 4,900 to 12,400 feet.
Colorado Parks and Wildlife survey estimates for the whole unit, private land included. They are not figures for this property, and whether elk or deer may be hunted here is in CPW's list above.
2026 elk and deer rifle hunt codes for unit 20
| Season | 2026 dates | Legal shooting light here, opening day | Elk codes | Deer codes |
|---|---|---|---|---|
| 1st rifle | Oct 14 to Oct 18 | 6:41 AM to 6:52 PM | E-M-020-O1-R bull | |
| 2nd rifle | Oct 24 to Nov 1 | 6:51 AM to 6:37 PM | E-F-020-O2-R cow E-M-020-O2-R bull | D-F-020-O2-R doe D-M-020-O2-R buck |
| 3rd rifle | Nov 7 to Nov 15 | 6:07 AM to 5:21 PM | E-F-020-O3-R cow E-M-020-O3-R bull | D-F-020-O3-R doe D-M-020-O3-R buck |
| 4th rifle | Nov 18 to Nov 22 | 6:20 AM to 5:11 PM | E-F-020-O4-R cow E-M-020-O4-R bull | D-F-020-O4-R doe D-M-020-O4-R buck |
A code valid in the unit is not permission to hunt this property: the property's own list and restrictions decide that. Legal light is half an hour before sunrise to half an hour after sunset at the coordinates above, on the Colorado clock; the state's printed table is the rule. Archery, muzzleloader, late and private-land codes are on the unit pages: unit 20 elk, unit 20 deer.
Nearest CPW properties to Lon Hagler SWA
| Property | Distance | Direction | Mapped acres | Unit |
|---|---|---|---|---|
| Boedecker Reservoir SWA | 1.4 miles | north | 432 | 20 |
| Simpson Ponds SWA | 6.1 miles | east | 68 | 20 |
| Big Thompson Ponds SWA | 8.0 miles | east | 50 | 20 |
| Frank SWA | 12.8 miles | north-east | 122 | 94 |
| Eagle Canyon STL | 13.7 miles | north-west | 633 | 20 |
Straight-line miles between the middles of the boundaries CPW maps, not road miles. A property can be much nearer at its edge.
More CPW properties in unit 20
All 721 State Wildlife Areas and State Trust Lands
Have a tag for this fall?
A FilledTag plan checks the rules of any CPW property it uses against your species and your dates, and gives you one exact plan: where to park, camp and sit, with every pin checked against public land and road rules.