| Cholsey Marsh | |
| Map: | Oxfordshire |
| Map Label: | Cholsey Marsh |
| Coordinates: | 51.5652°N -1.1343°W |
| Type: | Nature reserve |
| Grid Ref Uk: | SU 601 855 |
| Location: | Cholsey, Oxfordshire |
| Area: | 19ha |
| Manager: | Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust |
Cholsey Marsh is a 19abbr=offNaNabbr=off nature reserve near Cholsey in Oxfordshire, England. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.[1]
The Thames Path runs through this marsh on the bank of the River Thames. Wet reed and sedge beds provide a habitat for diverse wildlife and there are also areas of grassland, willow scrub and two large ponds. Flora include marsh-marigold, meadowsweet and the rare summer snowflake.[1]