Custom size
Mattress InsiderLuxury Gel Memory Foam
- Memory foam
- 8 in thick
- not stated
Made to 54 × 74 inGet a quote
Forest River Rockwood G20BH mattress size
Main bed54 × 74 inRV full
That isn't a standard mattress size, so order a custom size cut to your platform.
About the RV full size →Forest River spec page, 2026.
Bunks (2)26 × 72 in
Bunk. Forest River spec page, 2026.
Common RV bunk sizes →
Mattresses in 54 × 74 in
We may earn a commission when you buy through some of these links. It doesn't change which mattresses we list.
Bunk mattresses in 26 × 72 in
Some bunks have a rounded corner, so trace yours before a custom cut. A thicker bunk mattress takes headroom from the bunk above.
Custom size
Mattress InsiderLuxury Gel Memory Foam
- Memory foam
- 8 in thick
- not stated
Made to 26 × 72 inGet a quote
The Rockwood bedroom. Measure the platform, not the old mattress, before you buy.
Is this your G20BH?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2025 | Rockwood Geo Pro G20BH | 21' 2" | – |
| 2026 | Rockwood Geo Pro G20BH | – | 5 |
| 2026 | Rockwood Geo Pro G20BH | 21' 2" | – |
Other Rockwood mattress sizes
Sources
- Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20260521105121/https://forestriverinc.com/rvs/rockwood-geo-pro/G20BH/9639
- campersinn.com: https://www.campersinn.com/product/new-2026-forest-river-rv-rockwood-geo-pro-g20bh-2989916-29
- Forest River (forestriverinc.com): https://forestriverinc.com/rvs/rockwood-geo-pro/G20BH/11713
- Owner/retailer: Bunks (Geo Pro): https://library.rvusa.com/brochure/2026-Forest-River-Rockwood-Mini-Lite.pdf
Questions
What size mattress is in the Forest River Rockwood G20BH?
The main bed is 54 × 74 in (Forest River spec page, 2026).
What size are the Forest River Rockwood G20BH bunk mattresses?
26 × 72 in (Forest River spec page, 2026).