Rancho Valencia Resort and Spa in San Diego, US has reopened its doors following a $30m (£18.7m, 23.2m euro) transformation.

Located in Ranch Santa Fe, California, the resort spans 45 acres of gardens, nature trails, olive groves and casitas.

The 49 all-suite guest rooms feature walk-in closets, spacious bathrooms with deep soaking tubs and private patios boasting fireplaces and whirlpools.

The Spa at Rancho Valencia spans 2.5 acres (1 hectare) and also received an update during the works. The outdoor facilities include three temperature-varied therapeutic pools, a Watsu therapy/massage pool, a lap pool and private sungardens.

Indoor amenities feature 10 treatment rooms with private patios; five with outdoor, deep soaking tubs and rain showers. Two couple's rooms include fireplaces, private patios, outdoor showers and tubs for two.

Spa director Stephanie Baxter has unveiled the new treatment menu including skincare brand Amala; the brand will be available exclusively in San Diego at Rancho Valencia.

Signature treatments include Hydration Vacation, a blend of anti-aging ingredients including jade, white mulberry and ginseng, and the Rainforest Rejuvenating Facial created by the skin purifying effect of exotic wild-crafted blue lotus and rejuvenating properties of organic cocoa bean.

The fitness facilities have also been expanded with the addition of a 1,000sq ft (93sq m) partially open-air Yoga Pavilion, which will host fitness programmes and is equipped to offer hot yoga.

Other changes made to the resort include the resurfacing of 18 tennis courts, a new signature restaurant, Veladora, The Pony Room bar, and a new boutique, Sheridan.