From USDA Forest Service, which is not always current. The operator's own page is the authority on what you will be charged.
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Common questions about Mill Flat Campground
Can you reserve a site at Mill Flat Campground?
No. Mill Flat Campground is not reservable through Recreation.gov, so sites are first-come, first-served or booked elsewhere.
Also listed by
Mill Flat Campground also appears in other federal recreation data. Facts below are matched by name and location, not confirmed by Mill Flat Campground's operator.
USDA Forest Service — data as of Aug 24, 2026
No Fee
Restrictions:
Occupancy : The following act is prohibited within the Minidoka Ranger District: Pursuant to 36 CFR 262.58 (a), camping in any area including a developed recreation site or an undeveloped/dispersed recreation site for more than 14 (fourteen) days in a 28 (twenty-eight) day period. A camper or a grou
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