I Prize Cryptic Crossword No 1792

[souxie]

1 Down, Plan beach excursion as part of a healthy regime (2,7) ?H ?A?A?C?
2 Down, Thoroughfare going around north in rocky hill or volcano in the Andes (8) ?R?N?D?R
3 Down, Unique, unlike 'another place' (8) ?E?R?E?S
20 Down, Promise to turn record over on side (6) P?????

Many thanks in advance

[ubasses]

PH Balance

[ubasses]

20 pledge

[Neveracrossword]

3 Peerless (The House of Lords, Peers, known as 'another place').

[Toorak]

3 peerless

[Lie-in King]

1d PH balance - anag 'plan beach'
2d Tronador - 'road' (around) 'n(orth)' (in) 'tor'

https://en.wikipedia.org/wiki/Tronador

3d Peerless - "other place", reference to the other House - Commons/Lords
20d Pledge - 'LP' (over) + 'edge'

[Mamyalynne]

2

https://en.wikipedia.org/wiki/Tronador

[souxie]

Many thanks to all.