National Park Service · Iowa
Marching Bear Group Backcountry (Effigy Mounds NM)
Near Harpers Ferry, Iowa: day-use only — no overnight camping here; the nearest overnight is below.
Quick answer
Can I bring an RV to Marching Bear Group Backcountry?
No — Marching Bear Group Backcountry is day-use only. Backcountry permits not issued — use Yellow River SF. When is Marching Bear Group Backcountry open? Year-round (day-use only — no overnight in NM proper)
Staying near Marching Bear Group Backcountry? Tell us the nights.
One email when an Iowa owner lists a rig for those nights.
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On the ground
Effigy Mounds NM itself is day-use only. The Marching Bear Group of 31 mounds (10 in bear shape) is the highlight hike. For overnight, camp at adjacent Yellow River State Forest 5 minutes south.
From our record
- Open
- Year-round (day-use only — no overnight in NM proper)
- Booking
- Backcountry permits not issued — use Yellow River SF
- On site
- Dry / no hookups
- Camping styles
- Tent camping
Keep planning Iowa
More Iowa campgrounds
Around Harpers Ferry
The rest of the Iowa trip
Marching Bear Group Backcountry (Effigy Mounds NM) questions
- Can I camp at Marching Bear Group Backcountry?
- No — Marching Bear Group Backcountry is day-use only. Backcountry permits not issued — use Yellow River SF.
- When is Marching Bear Group Backcountry open?
- Year-round (day-use only — no overnight in NM proper)
Before you go
Iowa rules for RV renters
Iowa rules
Verified 2026-05-10
- Rental tax
- 7%
- Min driver age
- 21+ · 25+ Class A
- Gravel roads
- Allowed, disclose
- Generator quiet hours
- 22:00-07:00
- Alcohol in cabin
- No open container
- Dump station
- Standard