Openings · last 7 days
0
01 · Detected Opening History · the openings record · file CS-10297720
When Mack Lake ORV Campground reopens
Mack Lake ORV Campground's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
3
Openings · last 90 days
3
Only 3 openings in the last 90 days: not enough recent activity for a reliable pattern. A free Campsite Sniper alert watches around the clock instead, and pings you the moment one opens.
02 · Availability Outlook · Sep 18 – Nov 30, 2026 · of 41 monitored sites
Of the 3,034 tracked site-nights (Sep 18 – Nov 30, 2026): 210 open for online reservation · 8 reserved · 2,816 on sites not offered for online reservation (first-come, first-served or administrative). Of the facility's 41 monitored sites, 24 can be reserved online and 17 are first-come, first-served.
Where the open windows are
93.1% of tracked site-nights are not currently open for online reservation. 210 of 3,034 remain open; here is where they are.
Load status
Sep 18 – Nov 30, 2026Not open online93.1%
Open site-nights210 / 3,034
Reserved (of online inventory)8 / 218
Weekday openings140
Weekend openings70
Of the open site-nights on mapped sites, 140 fall on weekdays and 70 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Nov 2026October shows no online availability. 0 of 1,271 tracked site-nights are open there — 1,271 on sites not offered online.
Holiday windows
Sites open per night · of 41 sites| Window | Night | Sites open | Status |
|---|---|---|---|
| Labor Day | SAT Sep 5 | 0 | None open |
| SUN Sep 6 | 0 | None open | |
| MON Sep 7 | 0 | None open | |
| Thanksgiving | THU Nov 26 | 0 | None open |
| FRI Nov 27 | 0 | None open | |
| SAT Nov 28 | 0 | None open |
Labor Day: no online availability on any tracked night. Thanksgiving: no online availability on any tracked night.
Best-availability sites
Most open site-nights · tracked window| Site | Open site-nights |
|---|---|
| 1 | 9 |
| 10 | 9 |
| 14 | 9 |
| 15 | 9 |
| 17 | 9 |
The 5 sites with the most open site-nights in the current snapshot. Pair a bookable date with a free alert to cover everything else.
Next windows
As of Sep 18, 2026 snapshotNext open dateTue · Sep 22
Next open weekendFri · Sep 25
October0 of 1,271 · not offered online
The next bookable night is Sep 22; the first open weekend starts Sep 25. Campsite Sniper can watch later dates for you.
Stays and site detail
210 open site-nights across 24 sites at Mack Lake ORV Campground, from the same hourly snapshot as everything above.
Multi-night stays. 24 2-night, 24 3-night, 22 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 22 at site 1.
RV length. Longest recorded site here is 90 ft. 41 sites take 25 ft, 40 sites take 35 ft, 40 sites take 40 ft.
All 24 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 1 | 30 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 10 | 40 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 14 | 60 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 15 | 60 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 17 | 60 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 19 | 60 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 21 | 70 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 23 | 60 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 24 | 50 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 26 | 65 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 27 | 80 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 28 | 65 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 3 | 60 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 30 | 75 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 34 | 65 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 36 | 55 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 38 | 40 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 40 | 40 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 41 | 60 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 5 | 45 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 6 | 45 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 8 | 50 ft | None | 9 | 9 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 |
| 32 | 70 ft | None | 6 | 5 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 30 |
| 33 | 70 ft | None | 6 | 5 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 30 |
About Mack Lake ORV Campground
Overview
Mack Lake ORV Campground is the largest campground on the Mio Ranger District. Southeast of Mio, Mack Lake is 175-acres of shared private and federal ownership. An embedded day use area provides visitors with a picnic area as well as water access and a swimming area surrounded by buoys. With an ORV trailhead located within the campground, Mack Lake ORV Campground is a popular location for ORV trail riders.
Recreation
Water Activities : A day use area inside the Beaver Loop of Mack Lake ORV Campground is designed for picnicing and water activities such as beach play, swimming, fishing, and boating. Carry-in boat access is available through the day use area. Anglers can hope to catch sunfish, perch, and walleye. ORV Riding : Mack Lake ORV Campground is a popular location with ORV riders. With the trailhead for the Mack Lake Trail System starting in the campground, ORV riders can enjoy the section near Maltby Hills for easier trail riding or head to Bull Gap Hill Climb for a challenge. The trail is mostly on a 0 - 10% grade, with some short sections at a 30% grade
Facilities
The campground provides handpump wells for drinking water, several vault toilets, and trash collection services. The embedded day use area also provides visitors with picnic tables and grills. Campsites at Mack Lake have picnic tables, campfire rings, and lantern posts.
41 monitored sites17 FCFS sitesRVs up to 90 ftNo hookupsFire pitsMax party 8
Getting there
From Grayling: Travel east on M-72 for 30 miles. Turn right and travel south on M-33 for 6 miles. Turn left and travel east on County Rd. 604 for 4 miles. Turn left and travel north on FR 4460 for 1 mile. Turn left and travel west on County Rd. 489 for 1 mile.
Mio Ranger Station, Mio, MI 48647989-826-3252
CampingCanoeingFishingHikingKayakingNon-Motorized BoatingOff Highway Vehicle TrailsOff Road Vehicle TrailsPaddle BoatingPicnickingSwimmingSwimming SiteWater AccessWater Activities
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-10297720 · facility + sites
Photo gallery
Roll CS-10297720 · Mack Lake ORV Campground · Mio MI12 frames · facility + sites
FAQ
How do I get a reservation at Mack Lake ORV Campground?
Reservations for Mack Lake ORV Campground are made through Recreation.gov. 93.1% of tracked site-nights are not currently open for online reservation; 210 of 3,034 remain open. Campsite Sniper has also detected 3 site openings here in the last 90 days, so further dates may appear. 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 re-checks public Recreation.gov availability for this facility every hour and republishes whenever anything changes. This facility's data last changed at Sep 18, 2026 16:19 UTC; an older timestamp means nothing has changed since that time, not that checking stopped. Always confirm final availability on Recreation.gov when you book.
How often do new openings appear at Mack Lake ORV Campground?
Campsite Sniper detected 3 site-date openings here over the last 90 days, none in the last 7. A free alert watches around the clock and pings you the moment one appears.
Can I get a multi-night stay at Mack Lake ORV Campground?
24 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 22 at site 1. Confirm and book on Recreation.gov.
Which sites at Mack Lake ORV Campground fit a 35-foot RV?
40 of the 41 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 90 ft.
Which month has the most availability at Mack Lake ORV Campground?
September 2026, with 210 open site-nights in the current snapshot of 533.
When is the next open date at Mack Lake ORV Campground?
As of the Sep 18, 2026 snapshot: the next open date is Tue, Sep 22 and the next open weekend starts Fri, Sep 25. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
Stop refreshing. Let the app watch it.
Filter
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
Watch
We run paced availability checks for Mack Lake ORV Campground. One watch covers every matching online-reservable site.
Get the ping
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.