||A Wildlife Trust reserve 4 miles northwest of Bicester. A cutting and former quarry adjacent to the Marylebone to
Birmingham railway line. No car park. Park on the verge by the railway bridge at
SP 534274 (Quarry Cottages Road, a no-through road off Somerton Road), from
where the railway cutting can be accessed. Species include Dingy Skipper, Grizzled Skipper, Green Hairstreak.
||A Wildlife Trust reserve 5 miles south of Bicester and just west of Whitecross
Green Wood. An area of wet grassland
with a small oak copse and surrounding scrub. Car park at SP590144 off track through Whitecross Green and Manor Farms
that leaves the unclassified road between Boarstall and Murcott at SP597152. Species include Black, Brown and Purple Hairstreak.
A National Nature Reserve owned by Natural England. Two areas of chalk downland with some woodland on the edge of the
Chilterns, one each side of the M40 motorway cutting 2 miles west of
Stokenchurch, Bucks. Car park for
Beacon Hill (north side) at SU732966 and for Bald Hill (south side) at SU727958, both signposted off the unclassified road
to Christmas Common from the A40 west of Stokenchurch. Species
include Grizzled Skipper, Silver-spotted Skipper, Chalk Hill Blue, Adonis Blue, Dark Green Fritillary.
||Aston Upthorpe Downs
||A chalk downland site 3½ miles southeast of Didcot. Aston Downs SSSI is open access land under
the right to roam legislation. No car park - suggested
parking by the grain dryer at SU550844 on unclassified road off the A417 south of Aston Upthorpe village.
Species include Dingy Skipper, Grizzled
Skipper, Small Blue, Green Hairstreak, Chalk Hill Blue.
||A Wildlife Trust reserve 1 mile southeast of Chinnor. An area of beech woodland, scrub and chalk grassland on the edge
of the Chilterns. Car park at SP766002
at the end of Hill Top Lane, a turning off the unclassified road between
Chinnor and Bledlow Ridge. Species
include Dark Green Fritillary.
||A Wildlife Trust reserve 6 miles north of Burford, part of which is leased from
the Bruern Estate. An area of woodland
and meadow adjacent to the River Evenlode. Car park at SP 254206, accessed by track at SP 260203 from the
unclassified road between Milton-under-Wychwood and Bruern. Species include White Admiral.
||A Wildlife Trust reserve 1 mile southeast of Goring. An area of steep chalk downland overlooking the River
Thames. Park on the verge at SU616796 (junction of
track that leads to the reserve and unclassified no-through road that heads
south-east from Goring railway station). Alternatively, park in Goring and walk along the Thames Path. Species include Adonis Blue, Chalk Hill Blue, Green Hairstreak.
||A Woodland Trust reserve 4 miles southeast of Bicester. An area of mixed woodland with an adjacent meadow.
No car park , but there is a small lay-by on the B4011 at SP631164 right beside the entrance.
Species include Black, Brown, Purple &
White-letter Hairstreak, White Admiral, Purple Emperor.
||A PRIVATE chalk downland site 2 miles southwest of Watlington. ACCESS ONLY ALONG PUBLIC BYWAYS &
FOOTPATHS. No car park. Suggested parking at SU671919 on the
Ridgeway (open to vehicles), accessed from the unclassified road between
Britwell Salome and Cookley Green at SU681922. Species include Small Blue, Green Hairstreak, Dark Green
||A Wildlife Trust reserve 3½ miles northeast of Oxford. An area of deciduous woodland with some heath.
Park on the verge at SP562101. Access via bridleway that leaves the B4027 at SP562101, between
Stanton St John and Islip. Parking on the verge at this point (opposite the farm).
Species include Brown Hairstreak, Purple Hairstreak, Purple Emperor.
||A Wildlife Trust reserve 4 miles northwest of Henley-on-Thames.
An area of deciduous woodland in the
Chilterns with some small areas of chalk grassland. Car park at SU721879 off unclassified road from Bix Bottom.
Species include Grizzled Skipper, Green
Hairstreak, Purple Hairstreak, Silver-washed Fritillary, Purple Emperor.
||A large PRIVATE woodland complex 3 miles northwest of central Oxford owned by
Oxford University. Free PERMIT REQUIRED
IN ADVANCE from the Conservator of Wytham Woods, valid for three years (apply online at www.wytham.ox.ac.uk/permit).
Open 10am to dusk on weekdays and dawn to dusk at weekends. Car parks at SP486069 by Botley Lodge (close to the A34/A420 junction)
and at SP469086 half a mile west of Wytham village. Species include Black, Brown & Green Hairstreak.
||An RSPB reserve 6½ miles NE of Oxford. A large wetland with scrub and deciduous trees. Park at SP569126 at the end of Otmoor Lane.
Species include Black & Brown Hairstreak.
||A Forest Enterprise wood 6¼ NE of Oxford. Park at the old entrance to Bernwood at SP608101.
Species include Black & Brown Hairstreak, Purple Emperor, White Admiral.