Question

I created a site in wordpress and I want to hide the menu from this page

http://www.dawaf.co.uk/es/

but keep it visible on all of the other pages once you click on the logo in the top left to take you through to the site

http://www.dawaf.co.uk/es/portraits

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, font, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td {
    border: 0;
    font-family: BebasRegular;
    font-size: 100%;
    font-style: inherit;
    font-weight: inherit;
    margin: 0;
    outline: 0;
    padding: 0;
    vertical-align: baseline;
}

body {
    background: #FFFFFF;
    padding: 0px;
}

h1.entry-title {
    display: none;
}

#page.hfeed {
    margin: 0px;
}

/*Header
------------------------------------------------------------ */
#branding {
    border: 0px;
}

#branding #searchform {
    display: none;
}

.site-title {
    width: 300px;
    height: 132px;
}

/*Nav
------------------------------------------------------------ */
#access {
    background: transparent;
    -webkit-box-shadow: none;
    box-shadow: none;
    width: 140px;
    margin-left: 20px;
}

#access a {
    color: #8E8E8E;
    padding: 0px;
    line-height: 2.2;
}

#access li {
    font-size: 11px;
}

#access li:hover > a, #access a:focus {
    background: #FFFFFF;
}

#access .current-menu-item > a, #access .current-menu-ancestor > a, #access .current_page_item > a, #access .current_page_ancestor > a {
    font-weight: normal;
}

/*Photospace
------------------------------------------------------------ */
.photospace {
    margin: 0px !important;
    top: -236px;
    left: 175px;
}

.nav-controls {
    font-size: 11px;
}

.ss-controls {
    font-size: 11px;
}

.photospace .gal_content a:hover{
    text-decoration: none !important;
}

/*Super Sized Splash Page
------------------------------------------------------------ */
#supersized {
    display: block;
    position: fixed;
    left: 0;
    top: 0;
    overflow: hidden;
    z-index: -999;
    height: 100%;
    width: 100%;
}

#page.hfeed {
    background: transparent;
}

.widget_search form {
    display: none;
}

form#searchform {
    display: none;
}

/*Footer
------------------------------------------------------------ */
#colophon {
    display: none;
}

#post-0 .entry-content {
    display: none;
}

Answer 1

You’ll notice that your main page has a class of home which is unique to that section. This makes it real simple to do something like:

.home nav{
    display:none;
}

or if you need something more specific:

.home nav#access{
    display:none;
}