Helena-Lewis and Clark National Forest · Montana · Trail 645

Bald Ridge Driveway

Bald Ridge Driveway Trail is a 6.7 miles trail in Helena-Lewis and Clark National Forest, Montana. The Forest Service rates it trail class 3, developed. It is open to hiking, horse and pack stock, mountain biking and e-bikes.

Trail conditions, closures and hazards are not tracked here. The forest office carries current alerts and closure orders.

Map

One end Other endLine simplified to about 100 metres. Basemap from the USGS National Map.

One end46.2916, -110.4760 · Directions ↗
Other end46.2723, -110.5236 · Directions ↗

The ends are the two ends of the longest connected chain of segments. The record does not say which is the usual start.

The trail

Length6.7 miles
Trail class3, developed
Typeland trail
Surfacenative material
Typical tread width48-60 inches
Motor vehiclesClosed to all motorized use year-round
AccessibilityEvaluated and does not meet accessibility guidelines
Trail numbers645
ForestHelena-Lewis and Clark National Forest (unit 0115)
StatesMontana
Detail publishedmanagement level, with uses

Values are the set across all segments. Class 1 is minimally developed and class 5 is fully developed. Grade and width are the forest's typical values, not measured extremes.

Allowed uses

HikingAllowed 01/31 to 12/31 (month/day)
Horse and pack stockAllowed 01/31 to 12/31 (month/day)
Mountain bikingAllowed 01/31 to 12/31 (month/day)
E-bikesAllowed 06/16 to 09/14 (month/day)

A use is listed when the Forest Service records it as managed, accepted or discouraged on any segment. Discouraged still means legal. Uses marked restricted are left out. Where the forest publishes a Motor Vehicle Use Map, that map governs motorized use.

Trailheads

The Forest Service recreation layer records no trailhead within a third of a mile of this trail's line. Many trails start from a road pullout or another trail with no trailhead record.

Distance is from the point to the nearest part of the trail line. Season text is what the forest wrote and is often a season name rather than a date. The recreation page link goes to the Forest Service site, which may redirect to the forest's recreation index.

Camping nearby

No federal campground is recorded within five miles of the trail. Dispersed camping is allowed on most National Forest land outside posted closures. The forest office has the current rules.

Campsite Atlas cards carry site counts and booking links from Recreation.gov. Forest Service cards come from the recreation layer and link the agency page.

Reference

Questions people ask

How long is the Bald Ridge Driveway Trail?

6.7 miles, the sum of the 1 segment the Forest Service records under this name in Helena-Lewis and Clark National Forest.

Source: Forest Service trail layer

What is allowed on the Bald Ridge Driveway Trail?

hiking, horse and pack stock, mountain biking and e-bikes. The trail is closed to motor vehicles year-round. Some uses are seasonal. The allowed uses section lists the dates.

Source: Forest Service trail layer

Where does the Bald Ridge Driveway Trail start?

The line begins at 46.2916, -110.4760 and ends at 46.2723, -110.5236. No Forest Service trailhead is recorded within a third of a mile of it. The record does not say which end is the usual start.

Source: Forest Service trail layer

Is the Bald Ridge Driveway Trail in a wilderness area?

No. The trail line does not cross any polygon in the National Wilderness Preservation System layer.

Source: Wilderness Connect

Where can I camp near the Bald Ridge Driveway Trail?

No federal campground is recorded within five miles of the trail. Dispersed camping is allowed on most National Forest land outside posted closures. The forest office has the current rules.

Source: Helena-Lewis and Clark National Forest

How developed is the Bald Ridge Driveway Trail?

Trail class 3, which the Forest Service describes as developed. Class 1 is a minimal, unimproved route and class 5 is fully developed, often paved.

Source: Forest Service trail layer

How steep and how wide is the Bald Ridge Driveway Trail?

The typical tread is 48-60 inches wide.

Source: Forest Service trail layer

Is the Bald Ridge Driveway Trail accessible?

No. The Forest Service evaluated it and found it does not meet its accessibility guidelines.

Source: Forest Service trail layer

Who manages the Bald Ridge Driveway Trail?

Helena-Lewis and Clark National Forest, Forest Service unit 0115. The trail is in Montana.

Source: Helena-Lewis and Clark National Forest

Source

This page is built from 1 segment named BALD RIDGE DRIVEWAY in the Forest Service TrailNFS_Publish layer, administrative unit 0115. Wilderness overlap is tested against the National Wilderness Preservation System layer from Wilderness Connect. Trailheads and Forest Service campgrounds come from the Forest Service Recreation Opportunities layer. Data refreshed September 17, 2026. The methodology page explains how segments become trails.