Bull Gap ORV Hill Climb and Trailhead

Area Status: Open
This area is Open

Bull Gap Hill Climb is the only designated motorized area on the Huron-Manistee National Forests open to cross-country travel. The sand hill is 0.2 mile and at a 35 - 40% grade.

Bull Gap is open to all vehicles with a valid DNR ORV trail sticker. If you chose to use hill climb in a vehicle 50” wide or less, you are required to use the 50” return trail to return to the bottom of the hill. Users in motor vehicles greater than 50” are required to use the full-size motorized vehicle return route.

At a Glance

Current Conditions: Annual services at the site will resume for spring on April 15.
Operational Hours: Open - 6 a.m. to 9 p.m.
Area Amenities: Parking
Fees No Fee
Permit Info: Special Use Permit -
  • No special use permit is required for individuals or small groups (74 people or less).
  • Permits are required for commercial, event or large groups (75 people or more).
Visit the Passes and Permits section for more information on obtaining a special use permit. ORV Sticker - OHVs must display a valid ORV Sticker as required by State law. ORV Stickers may be obtained from the State of Michigan.
Open Season: April 15 - October 31
Usage: Light
Busiest Season: Memorial Day weekend to Labor Day weekend
Restrictions: As a visitor to the National Forest, you are asked to follow certain rules designed to protect the Forest, natural resources and to provide for public safety of visitors. These rules are available to you on-line or at any office of the Huron-Manistee National Forests. Please take time to read and understand them. General Topic orders apply across the Forests. Applicable Orders -
  • Motorized Vehicle Use of Roads, Trails and Off-road Areas
  • Occupancy and Use
  • Bull Gap Hill Climb Area and Road
For a full list of ORV regulations for Michigan, consult the MI-DNR ORV Handbook website.
Closest Towns: Mio
Water: None
Restroom: Vault
Operated By: Mio Ranger District - (989) 826-3252
Information Center:

General Information


From Grayling -

  • Travel east on M-72 for 30 miles.
  • Go straight and continue east on S. River Rd. for 5 miles.
  • Turn right and travel south on FR 4332 for 2 miles.
  • Turn right and travel west on FR 4276 for 1 mile.
  • The site is located on the right.

General Notes:

Location - Mack Lake Trail System, Bull Gap Hill Climb

Nearby Recreation Areas -

  • Mack Lake ORV Trail

County - Oscoda

Seasonal and Other Information -

  • This site is not gated in the off season.
  • This site is not maintained in the winter:
    • Access road and/or parking lot are not plowed.

Recreation Map

Map showing recreational areas. Map Information


OHV Riding & Camping

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Parking 40 vehicle capacity - with trailers