How to retrive the post using its custom category named "destination"

<?php $args = array('post_type' => 'trek','tour','expedition','activity','peak',
   'tax_query' => array(

array(
'taxonomy' => 'destination',
 'field'    => 'term_id',
 'terms'    => 11,
),

),
   'posts_per_page' => -1, 'orderby'=>'title','order'=>'ASC'); ?>
      <?php
$query = new WP_Query($args);
if($query->have_posts()):

while ($query->have_posts()):
$query->the_post();
?>