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Recreation AreaRecreation.gov

Humbug Spires WSA

Divide, Idaho · Silver Bow County

This 11,175-acre roadless area is located 26 miles south of Butte. Impressive granite outcroppings, part of the Boulder Batholith, rise 300-600 feet and provide outstanding rockclimbing opportunities, most of which range from 5.5 to 5.7 in difficulty, although routes to challenge all levels of ability are present. A th…

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45.74315, -112.67102
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About Humbug Spires WSA

This 11,175-acre roadless area is located 26 miles south of Butte. Impressive granite outcroppings, part of the Boulder Batholith, rise 300-600 feet and provide outstanding rockclimbing opportunities, most of which range from 5.5 to 5.7 in difficulty, although routes to challenge all levels of ability are present. A three-mile (one way) trail starts at the parking area and winds along the creek through an old-growth forest, and then climbs a ridge and eventually reaches the “Wedge," one of the more prominent spires. Activities:Hiking, rockclimbing, sightseeing, photography, horseback riding, wildlife viewing, primitive camping, and small stream fishing.*Offsite developed camping is available five miles away at the Divide Bridge Campground. *When hiking, carry water, a compass, and a copy of the site map found on the back of the brochure.

How to Get There

Take Exit 99 (Moose Creek) from I-15 and travel east about 3 miles along the creek on an improved gravel road to the trailhead parking lot.

Driving directions (Google Maps) →

Plan Your Visit to Humbug Spires WSA

Heading to Humbug Spires WSA? A few things to know before you go:

  • Reservations: popular sites fill up fast — check Recreation.gov 6 months in advance
  • Fees: day-use and camping fees vary; check current rates on the official park page
  • Trash & pack-out: follow Leave No Trace principles
  • Wildlife: store food in bear boxes where provided; never feed wildlife
  • Weather: the 5-day forecast above is updated every 6 hours; verify just before you go

Frequently Asked Questions

Do I need a reservation for Humbug Spires WSA?

No central reservation system listed for Humbug Spires WSA. Check the official page (https://www.recreation.gov/recarea/16532) for the latest entry policy and availability.

How do I get to Humbug Spires WSA?

Take Exit 99 (Moose Creek) from I-15 and travel east about 3 miles along the creek on an improved gravel road to the trailhead parking lot.

How do I contact Humbug Spires WSA?

You can reach the park at phone: 406-533-7600 or email: BLM_MT_Butte_FO@blm.gov.