BLM bars motorized travel across 9,100 Wyoming acres after fire

The Bureau of Land Management has temporarily closed roads and trails to motorized travel across approximately 9,100 acres of BLM-managed land inside the Weiser Knoll fire perimeter in Fremont County, Wyoming.

The order took effect immediately on September 4, 2026. It does not close the area to every form of access, but people using motorized vehicles may not enter the listed roads and trails unless an exemption or written BLM authorization applies.

Why BLM restricted motorized travel

BLM said wildfire and fire-response activity left some soils and slopes highly erodible and more vulnerable to instability. Vehicle traffic could create ruts, increase erosion and compact soil needed for recovery.

The agency also cited risks to recovering vegetation, watersheds, wildlife habitat and ongoing or completed rehabilitation treatments. The closure is intended to reduce invasive-species spread and limit disturbance to wildlife, including greater sage-grouse and mule deer, during the post-fire recovery period.

BLM said the restriction will remain in place until rehabilitation objectives are met and public safety can be ensured. The formal order lists July 1, 2028, as its end date, but that is not a guarantee the closure will last that long. The agency may rescind it earlier if conditions allow.

Who may still enter

The order exempts federal, state, tribal and local officers and employees performing official duties; organized rescue and firefighting personnel; and people with written BLM authorization.

Private landowners may use existing BLM roads and trails when they need access to or from their property. The order also preserves qualifying access to and ceremonial use of Indian sacred sites by Indian religious practitioners.

Activities conducted under a BLM contract, agency personnel monitoring the event and activities under an approved plan of operations are also exempt. Authorized users must carry the required written permit or contract signed by the BLM-authorized officer.

A person who violates the order may be tried before a United States magistrate and fined not more than $1,000 under 43 CFR 8364.1. State or local officials may also impose penalties for violations of state law.

Fire activity remains part of the backdrop

The Wyoming State Forestry Division’s September 10 fire update reported a new 0.1-acre West Fork Fire well within the Weiser Knoll footprint. The fire was in a riparian area, was contained by U.S. Wildland Fire Services and Fremont County responders, and prompted BLM to call in a fire investigator because the cause was not evident.

The state update said the fire was on state land, with BLM land about 10 yards away. The Forestry Division does not manage or enforce the BLM closure; its report provides separate context showing that fire-related activity remained relevant in the footprint.

How this differs from the August closure

The current order is a post-fire recovery measure, not the earlier emergency suppression closure. BLM announced that earlier Fremont County closure on August 11 for public safety during fire-response activity and rescinded it on August 17.

For visitors, the practical rule is to avoid motorized travel on the listed roads and trails unless an exemption applies or written authorization has been issued. Before planning travel near the Weiser Knoll footprint, readers should review the official BLM closure order and map and contact the Lander Field Office at 307-332-8400 for current access information.

Sources

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