Availability is not tracked here yet
The site details and map below come from the public Recreation.gov record and are accurate. For current dates and to book, go to Recreation.gov.
About Blackmore Campground
Blackmore Campground is a campground in Custer Gallatin National Forest with 11 mapped sites. 7 of its sites can be reserved online; 4 are first-come, first-served. Sites accommodate RVs up to 45 ft. It is a no-hookup campground. Pets are welcome at some sites and most sites have a fire pit. Maximum party size is 8. Campsite Sniper watches the targets you choose and alerts you when one frees up. We never book, hold, or pay for reservations; you book directly on Recreation.gov.
Getting there
View on Recreation.gov ↗ Get directions ↗
Photo gallery
FAQ
How do I get a reservation at Blackmore Campground?
Online reservations for this facility, where offered, are made through Recreation.gov. Pick a site on the map to see its calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.
Does Campsite Sniper book this campground for me?
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
How current is this availability data?
Campsite Sniper does not currently hold availability data for Blackmore Campground, so there is nothing to date here. That is a gap in coverage — it does not mean the facility is full or closed. Check Recreation.gov for current dates.
Which sites at Blackmore Campground fit a 35-foot RV?
7 of the 11 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 45 ft.
Stop refreshing. Let the app watch it.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for Blackmore Campground. One watch covers every matching online-reservable site.
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.
Alerts monitor online-reservable inventory only; first-come, first-served sites are not included.